Source type: Tata Motors Passenger Vehicles South Africa
Tata Sierra vs KIA Sonet
A proper head-to-head in South Africa — compare price, performance, fuel economy or electric range, safety and the details that shape long-term ownership.
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Tata Sierra
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Upcoming in South Africa
Confirmed launch information and specifications remain visible while final availability is pending.
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Decision summary
Tata Sierra vs KIA Sonet: the short answer
Compare the available model information below. Hagalu has withheld a ranked verdict because the selected vehicles do not yet meet the minimum like-for-like source-coverage threshold.
Five key differences
Exact selected derivativesSwipe sideways to compare every column
| Specification | Sierra | Sonet |
|---|---|---|
| Maximum Power | Sierra- | Sonet85 kW @ 6300 rpm |
| Maximum Torque | Sierra- | Sonet143 Nm @ 4000 rpm |
| Engine Size | Sierra- | Sonet1497 cc |
| Combined Fuel Economy | Sierra- | Sonet16.9 km/l |
| Ground Clearance | Sierra- | Sonet211 mm |
Strongest published figure in that row; no road-test winner is implied.
Source type: Official OEM South Africa
Full Specs, Side by Side
Open a category, then swipe sideways to compare every column
| Spec | Sierra | Sonet |
|---|---|---|
| Generation | Upcoming South African-market Tata Sierra mid-size SUV | First generation (BC3); launched globally 2020, SA 2021 |
| Body Style | SUV | SUV |
| Model Year | 2027 | 2026 |
| Production Status | upcoming | active |
| Segment | Mid-size SUV | SUV |
| Vehicle Type | Passenger Car | SUV |
| Model Introduced Year | - | 2021 |
| Facelift History | - | 2023 model year update with revised front styling and expanded ADAS features |
| Facelift Launched Since | - | 2023 |
| Facelift Version Ending | - | Current |
| Color Note | - | Clear White, Aurora Black Pearl, Gravity Blue, Pewter Olive, Intense Red, Steel Grey, Glacier White Pearl (two-tone options on SX) |
| Dealer Stock Note | - | Flagship grade in the South Africa lineup |
| Tare Mass Kg | - | 1270 kg |
| Spec | Sierra | Sonet |
|---|---|---|
| Boot/Cargo Space | 622 l | 392 l |
| Length | - | 3995 mm |
| Width | - | 1790 mm |
| Height | - | 1635 mm |
| Wheelbase | - | 2500 mm |
| Ground Clearance (Default) | - | 211 mm |
| Ground Clearance (With Full Seating Load) | - | 190 mm |
| Fuel Tank Capacity | - | 45 l |
| Kerb Weight | - | 1270 kg |
| Gross Vehicle Weight (GVW) | - | 1710 kg |
| Payload Capacity | - | 408 kg |
| Towing Capacity | - | 1100 kg |
| Seating Capacity | - | 5 seats |
| Number of Rows | - | 2 rows |
| Doors | - | 5 doors |
| Minimum Turning Radius | - | 10.4 m |
| Front Headroom | - | 990 mm |
| Rear Headroom | - | 950 mm |
| Front Legroom | - | 1030 mm |
| Rear Legroom | - | 860 mm |
| Spec | Sierra | Sonet |
|---|---|---|
| Sunroof | Panoramic | No |
| Load Bed Length | - | Not Applicable |
| Load Bed Width | - | Not Applicable |
| Climate Control | - | Yes |
| Power Windows | - | Yes |
| Keyless Entry | - | Yes |
| Push Button Start | - | Yes |
| Wireless Charging | - | Yes |
| Electric Tailgate | - | No |
| Automatic Headlamps | - | Yes |
| Rain Sensing Wipers | - | Yes |
| Auto Dimming Mirror | - | No |
| Boot Space Seats Folded | - | 1143 l |
| Boot Space Seats Folded | - | 1143 l |
| Rear Window Defroster | - | Yes |
| Electric Mirror Folding | - | Yes |
| Driver Seat Height Adjustment | - | Yes |
| Follow Me Home Headlamps | - | Yes |
| 12V Accessory Socket | - | Yes |
| Speed Limiter | - | Yes |
| AC Type | - | Yes |
| Adaptive Dampers | - | No |
| Aero Kit | - | No |
| Auto Dimming Irvm | - | No |
| Boot Opener | - | Remote |
| Chrome Exterior Highlights | - | No |
| Chrome Grille | - | Yes |
| Climate Zones | - | 2 |
| Door Ajar Warning | - | Yes |
| Drag Coefficient | - | 0.34 |
| Driver Display | - | Digital Cluster |
| Electric Folding Mirrors | - | Yes |
| Engine Check Warning | - | Yes |
| Engine Start Button Illumination | - | Yes |
| Engine Start Stop | - | Yes |
| Engine Start Stop Button | - | Yes |
| Engine Warranty | - | 7 Years / 150,000 km |
| Front Armrest | - | Yes |
| Front Power Outlet | - | Yes |
| Fuel Consumption Combined | - | 5.9 |
| Fuel Lid Opener | - | Remote |
| Glovebox Cooling | - | No |
| Headlamp Height Adjust | - | Yes |
| Headlamp Washer | - | No |
| Headrest Adjustable | - | Yes |
| Heads Up Display | - | No |
| Hill Start Assist | - | Yes |
| Impact Sensing Door Unlock | - | Yes |
| Intercooler | - | No |
| Multi Function Steering | - | Yes |
| Panoramic Roof | Panoramic | No |
| Performance Data Logger | - | No |
| Power Mirrors | - | Yes |
| Push Button Start | - | Yes |
| Rear Defogger | - | Yes |
| Rear Reading Lamps | - | Yes |
| Rear Seat Split | - | Yes |
| Rear Wing | - | Yes |
| Remote Engine Start | - | No |
| Rev Matching | - | No |
| Ride Mode Selection | - | Yes |
| Roof Antenna | - | Yes |
| Seat Type | - | Leather Seats |
| Seatbelt Pre Tensioner | - | Yes |
| Service Reminder | - | Yes |
| Side Steps | - | No |
| Skid Plates | - | No |
| Spare Wheel | - | Temporary Spare |
| Speed Alert System | - | Yes |
| Stabilizer Bar | - | Yes |
| Steering Mounted Controls | - | Yes |
| Steering Response | - | Normal |
| Tachometer | - | Yes |
| Tail Lamps | - | Yes |
| Telescopic Steering | - | Tilt and Telescopic |
| Tilt Steering | - | Tilt and Telescopic |
| Trip Computer | - | Yes |
| Tyre Repair Kit | - | No |
| Vanity Mirror | - | Yes |
| Voice Command | - | Yes |
| Voice Command Support | - | Yes |
| Accelerator 0 100 | - | 11.2 sec |
| Air Conditioning | - | Yes |
| Automatic High Beam | - | Yes |
| Battery Preconditioning | - | Not Available |
| Bed Extender | - | Not Available |
| Bottle Holders | - | 4 |
| Canopy Fitment | - | Not Available |
| Centre Console | - | Centre Armrest |
| Common Rail Injection | - | Gasoline Direct Injection |
| Diff Lock | - | No |
| Difflock | - | No |
| Digital Speedometer | - | Yes |
| Electric Fold Indicator Mirrors | - | Yes |
| Front Diff Lock | - | Not Available |
| Front Wiper | - | Yes |
| Front Wipers Type | - | Yes |
| Glove Box | - | Yes |
| Heated Mirrors | - | Yes |
| Intelligent Battery System | - | Not Available |
| Intelligent Keyless Entry | - | Yes |
| Lift Gate | - | No |
| Load Bed Cover | - | Not Available |
| Load Bed Light | - | Not Available |
| Load Bed Steps | - | Not Available |
| Loadbox Depth Mm | - | Not Available |
| Loadbox Length Mm | - | Not Applicable |
| Loadbox Rope Hooks | - | Not Available |
| Loadbox Tiedown Brackets | - | Not Available |
| Loadbox Width Mm | - | Not Applicable |
| Manual Aircon | - | Yes |
| Mirror | - | Electric |
| One Pedal Driving | - | Not Available |
| Passive Entry Start | - | Yes |
| Power Socket 12v | - | Yes |
| Powered Tailgate | - | No |
| Reading Lights Rear | - | Yes |
| Rear Air Conditioning | - | No |
| Rear Diff Lock | - | Not Available |
| Rear Electric Motor | - | Not Available |
| Rear LED Combination Taillights | - | Yes |
| Rearview Mirror Inside | - | No |
| Regenerative Braking Levels | - | Not Available |
| Remote Central Locking | - | Yes |
| Remote Side Mirror | - | Yes |
| Remote Start | - | No |
| Rim Size | 19-inch | 215/55 R17 |
| Roof Load | - | 50 kg |
| Roof Rack Compatibility | - | Yes |
| Side Impact Bars | - | Yes |
| Sonar | - | Yes |
| Sound System | - | 8 |
| Source Model Column | - | sonet |
| Sport Plus Mode | - | Not Available |
| Sports Bar | - | Not Available |
| Stabilizer Bar Front | - | Yes |
| Stabilizer Bar Rear | - | Yes |
| Steering Column Adjustment | - | Tilt and Telescopic |
| Sub Frame | - | Unibody |
| Surround View Monitor | - | Yes |
| Tailgate Damper | - | Not Available |
| Tailgate Lock | - | Not Available |
| Tow Bar Type | - | Not Available |
| TPMS | - | Yes |
| Trim Level | - | flagship |
| Unlocking | - | Yes |
| Vanity Mirror Illuminated | - | Yes |
| Variant Role | - | Flagship / premium derivative |
| Vdc | - | Yes |
| Vehicle To Grid | - | Not Available |
| Vehicle To Load | - | Not Available |
| Walk Away Auto Door Lock | - | Yes |
| Walk Away Lock | - | Yes |
| Wireless Charger | - | Yes |
| Spec | Sierra | Sonet |
|---|---|---|
| Infotainment System | Horizon View triple-screen dashboard | 10.25-inch Touchscreen |
| Apple CarPlay | - | Yes |
| Android Auto | - | Yes |
| Bluetooth Connectivity | - | Yes |
| Number of Speakers | - | 8 |
| Navigation System | - | Yes |
| Digital Instrument Cluster | - | Yes |
| USB Ports | - | 4 |
| Wireless Apple CarPlay | - | Yes |
| Wireless Android Auto | - | Yes |
| FM Radio | - | Yes |
| Steering Wheel Audio Controls | - | Yes |
| Voice Recognition | - | Yes |
| AUX Input | - | No |
| Infotainment Screen Size | - | 10.25 |
| Wi-Fi Hotspot | - | No |
| Audio Controls On Steering | - | Yes |
| Infotainment Display | - | 10.25 |
| Rear Usb | - | Yes |
| Premium Audio | - | Yes |
| Audio | - | Yes |
| Audio Speakers | - | 8 |
| Audio System | - | Yes |
| Display Audio | - | 10.25-inch Touchscreen |
| Front Rear USB Charge Ports | - | 4 |
| Head Up Display | - | No |
| Infotainment Screen | - | 10.25 |
| Multi Information Display | - | Digital |
| Connected Services | - | Yes |
| Voice Control | - | Yes |
| Smartphone Connectivity | - | Yes |
| Radio | - | Yes |
| Touchscreen | - | 10.25 |
| Spec | Sierra | Sonet |
|---|---|---|
| LED Headlamps | Standard | Yes |
| Daytime Running Lamps | Light Saber LED with welcome and goodbye functionality | Yes |
| Headlights | Standard | Yes |
| Panoramic Sunroof | Standard | No |
| Fog Lamps | - | Yes |
| Roof Rails | - | Yes |
| Alloy Wheel Design | Alloy Wheels | Alloy Alloy |
| Chrome Exterior Finish | - | No |
| Body Cladding | - | No |
| Rear Spoiler | - | Yes |
| Exterior Colour Options | - | Multiple |
| Roof Type | - | Standard |
| Wing Mirror Type | - | Electric |
| Rear Wiper | - | Yes |
| Door Handle Finish | - | Body Colour |
| Body Type | - | Sub-Compact SUV |
| DRL | Light Saber LED with welcome and goodbye functionality | Yes |
| Fog Lights | - | Yes |
| Front Fog Lights | - | Yes |
| Led Headlights | Standard | Yes |
| Led Taillights | - | Yes |
| Rear Fog Lights | - | Yes |
| Front Overhang | - | 800 mm |
| Rear Overhang | - | 695 mm |
| Auto Headlights | - | Yes |
| Automatic Headlamps | - | Yes |
| Daytime Running Lights | Light Saber LED with welcome and goodbye functionality | Yes |
| Electric Blind Sunroof | - | Standard |
| Exterior Colour Options | - | 7 |
| Exterior Door Handle Colour | - | Body Colour |
| Exterior Mirror Electric | - | Yes |
| Exterior Mirror Folding | - | Yes |
| Front Fog Lamps | - | Yes |
| Headlamp Levelling | - | Yes |
| Headlamps | Standard | Yes |
| Headlight Type | Standard | Yes |
| Load Bed Liner | - | Not Available |
| Active Exhaust | - | Not Available |
| Rear Spoiler | - | Yes |
| Spec | Sierra | Sonet |
|---|---|---|
| Wheel Type | Alloy Wheels | Alloy Alloy |
| Wheel Rim Size | 19-inch | 215/55 R17 |
| Tyre Size | - | 215/55 R17 |
| Front Brake Type | - | Ventilated Disc |
| Rear Brake Type | - | Drum |
| Spare Wheel Type | - | Temporary Spare |
| Front Brake Disc Diameter | - | 280 mm |
| Rear Brake Drum Diameter | - | 236 mm |
| Parking Brake Type | - | Electronic |
| Tyre Load Index | - | 102 |
| Tyre Speed Rating | - | H |
| Brake Type Front | - | Ventilated Disc |
| Brake Type Rear | - | Drum |
| Spare Tyre | - | Temporary Spare |
| Tyre Type | - | Radial |
| Front Tyre Width | - | 215 mm |
| Rear Tyre Width | - | 215 mm |
| Wheel Diameter | 19-inch | 215/55 R17 |
| Auto Brake Hold | - | Electronic |
| Autonomous Emergency Brake | - | Yes |
| Brakes | - | Ventilated Disc |
| Cornering Brake Control | - | Yes |
| Electric Park Brake | - | Electronic |
| Electronic Brakeforce Distribution | - | Yes |
| Fifth Wheel Prep | - | Not Available |
| Handbrake Type | - | Electronic |
| Hydraulic Brake Assist | - | Yes |
| Leather Steering Wheel | - | Leather |
| Spare Wheel Size Type | - | Temporary Spare |
| Steering Wheel Audio Controls | - | Yes |
| Steering Wheel Cruise Controls | - | Yes |
| Steering Wheel Phone Controls | - | Yes |
| Steering Wheel Trim | - | Leather |
| Tyre Pressure Display | - | Yes |
| Tyre Pressure Monitoring | - | Yes |
| Wheel Material | Alloy Wheels | Alloy Alloy |
| Wheel Size Type | - | 215/55 R17 |
| Wheels | Alloy Wheels | Alloy Alloy |
| Spec | Sierra | Sonet |
|---|---|---|
| Ownership Role | Upcoming South African passenger vehicle | Flagship |
| Pricing Role | Announced price not publicly listed | Current listed price |
| Price Zar | - | 469995 ZAR |
| Starting Price | - | 469995 |
| Starting Price Zar | - | 469995 |
| Spec | Sierra | Sonet |
|---|---|---|
| Front Track Width | - | 1544 mm |
| Rear Track Width | - | 1536 mm |
| Front Suspension | - | MacPherson Strut |
| Rear Suspension | - | Coupled Torsion Beam |
| Chassis Type | - | Unibody |
| Power Steering | - | Yes |
| Steering Column | - | Adjustable |
| Front Spring Type | - | Coil Spring |
| Rear Spring Type | - | Coil Spring |
| Front Anti-Roll Bar | - | Yes |
| Rear Anti-Roll Bar | - | Yes |
| Shock Absorber Type | - | Telescopic |
| Chassis Material | - | Unibody |
| Front Suspension Type | - | MacPherson Strut |
| MagneRide Damping | - | Not Available |
| Rear Axle Type | - | Coupled Torsion Beam |
| Rear Suspension Type | - | Coupled Torsion Beam |
| Shock Absorbers | - | Telescopic |
| Suspension | - | MacPherson Strut |
| Spec | Sierra | Sonet |
|---|---|---|
| Engine | - | 1.5-litre Naturally Aspirated Petrol |
| Engine Code | - | G4LC |
| Fuel Type | - | Petrol |
| Hybrid System | - | Not Applicable |
| Engine Displacement | - | 1497 cc |
| Cylinders | - | 4 |
| Cylinder Layout | - | Inline |
| Valves | - | 16 |
| Valves per Cylinder | - | 4 |
| Aspiration | - | Naturally Aspirated |
| Fuel System | - | Direct Injection |
| Compression Ratio | - | 13.0:1 |
| Bore | - | 75 mm |
| Stroke | - | 84.5 mm |
| Maximum Power | - | 85 kW @ 6300 rpm |
| Maximum Torque | - | 143 Nm @ 4000 rpm |
| Combined Power | - | Not Applicable |
| Combined Torque | - | Not Applicable |
| Motor Type | - | Not Applicable |
| Number of Motors | - | Not Applicable |
| Motor Location | - | Not Applicable |
| Drive Type | - | FWD |
| Transmission | - | CVT |
| Top Speed | - | 172 km/h |
| 0-100 km/h | - | 11.2 sec |
| Quarter Mile | - | Not Officially Disclosed |
| Drive Modes | - | Not Officially Disclosed |
| Launch Control | - | No |
| Rev Limiter | - | Not Officially Disclosed |
| Power-to-Weight Ratio | - | 66.9 kW/tonne |
| Torque-to-Weight Ratio | - | 112.6 Nm/tonne |
| Battery Capacity | - | Not Applicable |
| Usable Battery Capacity | - | Not Applicable |
| Battery Type | - | Not Applicable |
| Battery Voltage | - | Not Applicable |
| Electric Range | - | Not Applicable |
| AC Charging Power | - | Not Applicable |
| DC Charging Power | - | Not Applicable |
| AC Charging Time | - | Not Applicable |
| DC Charging Time | - | Not Applicable |
| Regenerative Braking | - | Not Applicable |
| Spec | Sierra | Sonet |
|---|---|---|
| Engine Position | - | Front Transverse |
| Gearbox | - | Intelligent Variable Transmission (IVT) |
| Drivetrain Layout | - | FWD |
| LSD Available | - | No |
| Transfer Case | - | Not Applicable |
| Differential Lock | - | No |
| Paddle Shifters | - | No |
| Final Drive Ratio | - | 3.56 |
| Steering Turns Lock to Lock | - | 15.1:1 |
| Number of Gears | - | CVT |
| Transmission Type | - | Continuously Variable Transmission |
| Clutch Type | - | Torque Converter |
| Gear Shift Indicator | - | No |
| Gear Shift Type | - | Automatic |
| Drivetrain | - | FWD |
| 4WD Engagement | - | Not Applicable |
| 4WD Hi Range | - | Not Applicable |
| 4WD Lo Range | - | Not Applicable |
| 4WD Selector | - | Not Applicable |
| Automatic Shift Paddles | - | No |
| Differential Type Front | - | Not Available |
| Differential Type Rear | - | Not Available |
| Front Differential Lock | - | Not Applicable |
| Gearbox Type | - | Intelligent Variable Transmission (IVT) |
| Low Range Ratio | - | Not Applicable |
| Low Range | - | Not Applicable |
| Axle Layout | - | FWD |
| Rear Differential Lock | - | Not Applicable |
| Transfer Case Guard | - | Not Available |
| Transmission Speeds | - | CVT |
| Spec | Sierra | Sonet |
|---|---|---|
| Claimed Mileage | - | 16.9 km/l |
| City Mileage | - | 13.7 km/l |
| Highway Mileage | - | 20.0 km/l |
| Fuel Tank Capacity | - | 45 l |
| Emission Standard | - | Euro 6 |
| AdBlue Tank Capacity | - | No |
| Auto Start Stop | - | Yes |
| Low Fuel Warning | - | Yes |
| Real-world Mileage | - | 16.9 km/l |
| Charging Port Type | - | Not Applicable |
| Charging Type | - | Not Applicable |
| Fuel Tank Litres | - | 45 |
| Combined Driving Range | - | Not Applicable |
| Electric Consumption | - | Not Applicable |
| Range Real World Highway | - | Not Applicable |
| Range Real World Mixed | - | Not Applicable |
| Spec | Sierra | Sonet |
|---|---|---|
| Airbags | - | 6 |
| ABS | - | Yes |
| Electronic Stability Control | - | Yes |
| Traction Control | - | Yes |
| Hill Descent Control | - | Not Available |
| Hill Start Assist | - | Yes |
| Child Safety Lock | - | Yes |
| ISOFIX Mounts | - | Yes |
| Brake Assist | - | Yes |
| Tyre Pressure Monitor | - | Yes |
| Engine Immobiliser | - | Yes |
| Alarm System | - | Yes |
| Central Locking | - | Yes |
| Side Impact Beams | - | Yes |
| Seatbelt Warning All Seats | - | Yes |
| Speed Alert System | - | Yes |
| Pedestrian Detection AEB | - | Yes |
| Front Parking Sensors | - | Yes |
| Safety Rating | - | 5 |
| Whiplash Protection | - | Yes |
| Lane Change Warning | - | Yes |
| AEB | - | Yes |
| BA | - | Yes |
| Brake Override System | - | Yes |
| Curtain Airbags | - | Yes |
| Driver Airbag | - | Yes |
| EBD | - | Yes |
| Engine Immobiliser | - | Yes |
| Fatigue Detection | - | Yes |
| Hill Hold | - | Yes |
| Passenger Airbag | - | Yes |
| Rear Cross Traffic Alert | - | Yes |
| Seatbelt Pretensioners | - | Yes |
| Seatbelt Reminder | - | Yes |
| Side Airbags | - | Yes |
| Stability Control | - | Yes |
| TCS | - | Yes |
| Blind Spot Monitoring | - | Yes |
| Knee Airbag | - | No |
| ABS EBD | - | Yes |
| Anti Theft Alarm | - | Yes |
| Driver Front Passenger Airbags | - | 6 |
| Driver Passenger Airbags | - | 6 |
| ESC With Traction Control | - | Yes |
| Spec | Sierra | Sonet |
|---|---|---|
| Cruise Control | - | Yes |
| Adaptive Cruise Control | - | Yes |
| Lane Keep Assist | - | Yes |
| Lane Departure Warning | - | Yes |
| Blind Spot Monitoring | - | Yes |
| Rear Cross Traffic Alert | - | Yes |
| Parking Sensors | - | Yes |
| Rear View Camera | - | Yes |
| 360 Degree Camera | - | Yes |
| Autonomous Emergency Braking | - | Yes |
| Driver Fatigue Alert | - | Yes |
| Traffic Sign Recognition | - | No |
| Auto Highbeam | - | Yes |
| Auto Lights | - | Yes |
| Auto Wipers | - | Yes |
| Eco Mode | - | Yes |
| EV Mode | - | No |
| Rear Parking Sensors | - | Yes |
| Reverse Camera | - | Yes |
| Sport Mode | - | No |
| Adaptive Cruise Control | - | Yes |
| Park Assist | - | Yes |
| Around View Monitor | - | Yes |
| Blind Spot Warning | - | Yes |
| Emergency Braking | - | Yes |
| Forward Collision Warning | - | Yes |
| Front Camera | - | Yes |
| Parking Distance Sensors | - | Yes |
| Parking Sensor | - | Yes |
| Automatic High Beam | - | Yes |
| Pre-Collision System | - | Yes |
| Rain Sensor Wipers | - | Yes |
| Rear View Camera | - | Yes |
| Reverse Camera Type | - | Yes |
| Reversing Camera | - | Yes |
| Surround View Camera | - | Yes |
| Spec | Sierra | Sonet |
|---|---|---|
| Seat Material | - | Leather |
| Seat Adjustment | - | 8-Way Power |
| Heated Seats | - | Yes |
| Ventilated Seats | - | Yes |
| Steering Type | - | Yes |
| Steering Adjustment | - | Tilt and Telescopic |
| Ambient Lighting | - | Yes |
| Folding Rear Seats | - | Yes |
| Front Armrest | - | Centre Armrest |
| Rear Armrest | - | Yes |
| Front Shoulder Room | - | 1380 mm |
| Rear Shoulder Room | - | 1330 mm |
| Cup Holders | - | 4 |
| Rear AC Vents | - | No |
| Rear USB Ports | - | Yes |
| Steering Wheel Material | - | Leather |
| Instrument Cluster Type | - | Digital |
| Interior Colour Options | - | Black |
| Driver Lumbar Support | - | Yes |
| Door Map Pockets | - | Yes |
| 60 40 Split Seat | - | Yes |
| Adjustable Driver Seat | - | 8-Way Power |
| Adjustable Front Seat | - | 4-Way Manual |
| Cooled Seats | - | Yes |
| Driver Seat Adjustment | - | 8-Way Power |
| Fabric Seats | - | No |
| Front Headrest | - | Adjustable |
| Leather Seats | - | Yes |
| Memory Seats | - | Yes |
| Passenger Seat Adjustment | - | 4-Way Manual |
| Rear Headrest | - | Adjustable |
| Armrest Front | - | Centre Armrest |
| Armrest Rear | - | Yes |
| Boot Space Seats Down | - | 1143 |
| Driver Seat | - | 8-Way Power |
| Interior Courtesy Lamps | - | 10.25-inch touchscreen (EX+), digital instrument cluster (SX), wireless CarPlay/Android Auto (SX), Bose audio (SX), ventilated front seats (SX), ambient lighting, 6 airbags all grades |
| Interior Trim Colour | - | Black |
| Leather Accented Seat Trim | - | Leather |
| Interior Colours | - | Black |
| Rear Seat Centre Armrest | - | Yes |
| Seat Adjustment Driver Backrest | - | Yes |
| Seat Belt Warning | - | Yes |
| Seat Fold Type | - | Yes |
| Seat Trim | - | Leather |
| Spec | Sierra | Sonet |
|---|---|---|
| Approach Angle | - | 21 deg |
| Departure Angle | - | 35 deg |
| Wading Depth | - | Not Available |
| Terrain Modes | - | Not Available |
| Locking Differential | - | No |
| Underbody Protection | - | No |
| Ramp Breakover Angle | - | 16 deg |
| Recovery Hooks | - | No |
| 4WD System Type | - | Not Applicable |
| Hill Descent Control | - | Not Available |
| Ramp-over Angle | - | 18 deg |
| Approach Angle Deg | - | 21 deg |
| Breakover Angle | - | 16 deg |
| Departure Angle Deg | - | 35 deg |
| Energy Recovery Display | - | Not Available |
| Front Skid Plate Guard | - | Not Available |
| Ground Clearance Max | - | 211 mm |
| Ground Clearance Min | - | 211 mm |
| Off Road Descent Control | - | Not Available |
| Off Road Traction Assist | - | Not Available |
| Crawl Control | - | Not Available |
| Rear Skid Plate Guard | - | Not Available |
| Skid Plates Fuel Tank | - | Not Available |
| Skid Plates Transfer Case | - | Not Available |
| Terrain Mode Mud | - | Not Available |
| Terrain Mode Normal | - | Not Available |
| Terrain Mode Rock | - | Not Available |
| Terrain Mode Sand | - | Not Available |
| Terrain Mode Snow | - | Not Available |
| Terrain Response System | - | Not Available |
| Underbody Camera | - | Not Available |
| Spec | Sierra | Sonet |
|---|---|---|
| Service Interval | - | 15000 |
| Approx Service Cost | - | R3,000 per service |
| Battery Warranty | - | 7 Years / 150,000 km |
| Maintenance Plan | - | 3 Years / 45,000 km |
| Engine Oil Capacity | - | 4.5 l |
| Engine Oil Change Interval | - | 15000 |
| First Service At | - | 15000 |
| Service Plan Duration | - | 3 Years / 45,000 km |
| Service Plan Distance | - | 3 Years / 45,000 km |
| Anti-Rust Treatment | - | Yes |
| Alternator | - | Yes |
| Service Plan | - | 3 Years / 45,000 km |
| Service Intervals | - | 15000 |
| Spec | Sierra | Sonet |
|---|---|---|
| Warranty Years | - | 7 Years / 150,000 km |
| Warranty Kilometers | - | 7 Years / 150,000 km |
| Roadside Assistance | - | 5 Years |
| Anti-Corrosion Warranty | - | 5 Years |
| Basic Warranty | - | 7 Years / 150,000 km |
| Roadside Assistance | - | 5 Years |
| Warranty | - | 7 Years / 150,000 km |
| Warranty Roadside Assistance | - | 5 Years |
| Spec | Sierra | Sonet |
|---|---|---|
| CO2 Emissions | - | 138 g/km |
| Start Stop System | - | Yes |
| Hybrid System Type | - | Not Available |
| Noise Level | - | 67 dB |
| Variable Valve Timing | - | CVVT |
| Fuel Octane Requirement | - | 93 Octane |
| Particulate Filter | - | No |
| Euro Emission Standard | - | Euro 6 |
| Green NCAP Rating | - | 4 |
| Idle CO2 Output | - | 145 |
| Fuel Evaporation Control | - | Yes |
| CO2 Emissions G Km | - | 138 |
| Spec | Sierra | Sonet |
|---|---|---|
| Real-world City Mileage Min | - | 11.6 l/100km |
| Real-world City Mileage Max | - | 15.1 l/100km |
| Real-world Highway Mileage Min | - | 18.0 l/100km |
| Real-world Highway Mileage Max | - | 21.0 l/100km |
In depth: how these cars differ
This Sierra and Sonet comparison brings together local model information and available derivatives for South Africa. Prices and specifications appear only where they have been recorded for this market.
Hagalu has withheld an overall score because at least one selected vehicle does not yet have four comparable categories and 50% weighted source coverage. Missing catalogue evidence is not replaced with a neutral score or a guessed value.
Use the key-spec and full-spec tables to compare the fields that are confirmed. For a purchase decision, verify current availability, exact derivative equipment, finance, insurance and ownership cover with the relevant manufacturer or authorised retailer.
Model imagery
Sierra and Sonet image comparison
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Tata Sierra
Upcoming preview: exterior imagery only until the South African vehicle is released and its cabin is verified.
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KIA Sonet
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Specification Score Withheld
Hagalu does not turn missing specifications into neutral scores or guessed values.
Score withheld: fewer than four comparable categories or less than 50% weighted source coverage for at least one vehicle.
Use the verified key-spec and full-spec tables on this page. A ranked index will appear only after every selected vehicle has source-backed data in at least four categories and reaches 50% weighted coverage.
What the evidence means
No overall winner is declared because the selected vehicles do not yet meet Hagalu's minimum like-for-like source-coverage threshold. Compare the confirmed rows and verify the exact derivative before buying.
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Sierra vs Sonet questions
There is no universal winner. Use the comparison table to match the models and available derivatives in South Africa on price, safety equipment, space, powertrain and ownership cover. The category indicators summarise published catalogue data; they are not a road test or customer rating.
Compare the published consumption or mileage rows for the exact derivatives using the same unit and test basis. A catalogue figure is useful for like-for-like comparison, but traffic, speed, load, weather and driving style can change actual fuel use.
Compare only equipment explicitly listed for each derivative, including airbags, stability control and driver-assistance systems. Confirm the exact trim with the manufacturer, and treat any independent crash-test result separately because equipment and ratings can differ by market.
A reliable five-year total cannot be calculated from catalogue data alone. Add the exact purchase and finance cost, fuel or electricity, insurance quotes, scheduled servicing, tyres and expected resale value. Check whether the selected derivative includes a service or maintenance plan.
Use the seating, boot or load-space, ISOFIX and safety rows as a first check. Then test the exact cars with your child seats, passengers and typical luggage, because published dimensions do not show every access or comfort difference.
Compare the published power, torque and 0–100 km/h rows when they are available for both exact derivatives. Vehicle weight, gearing and power delivery also matter, so catalogue outputs alone do not establish real-world overtaking or response.