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.
Best suited to:Published EfficiencyPublished Practicality
Specification evidence leader
X4
Strengths
More powerful engine output
Stronger listed safety equipment
Weak Spots
Lower fuel efficiency
Lower published practicality figures
Best suited to:Published Performance
Which One's Right for You?
Across
Buyers prioritising the lower published fuel or energy use
Buyers prioritising the stronger published space and capacity figures
X4
Buyers prioritising the stronger published powertrain figures
Buyers prioritising the more complete listed safety equipment
Full Specs, Side by Side
Open a category, then swipe sideways to compare every column
Spec
Across
X4
Model Introduced Year
2026
2018
Generation
First South African generation of the current Across
Five-door coupé-style SUV from the established X4 generation, separate from X3 and without a current full-M derivative.
Facelift History
All-new March 2026 South African launch model; no facelift yet
Current South African X4 listing retained on BMW’s live range; current exact identities are xDrive20d and M40i.
Facelift Launched Since
Original current-generation version
Original current-generation version
Facelift Version Ending
Current
Current
Body Style
Five-door compact SUV
SUV
Model Year
2026
2026
Production Status
active
active
Segment
C-segment family SUV
Premium SUV
Tare Mass Kg
1200-1250 kg
-
Vehicle Type
Passenger vehicle
Car
Spec
Across
X4
Length
4360 mm
1 mm
Width
1795 mm
1 mm
Height
1655 mm
1 mm
Wheelbase
2600 mm
1 mm
Ground Clearance (Default)
210 mm
140 mm
Ground Clearance (With Full Seating Load)
Not Officially Disclosed
125 mm
Fuel Tank Capacity
45 l
50 l
Boot/Cargo Space
333 l
472 l
Kerb Weight
Not Officially Disclosed
1555 kg
Gross Vehicle Weight (GVW)
Not Officially Disclosed
2060 kg
Payload Capacity
460 kg
452 kg
Towing Capacity
Not Officially Disclosed
1600 kg
Seating Capacity
5 seats
5 seats
Number of Rows
2 rows
2 rows
Doors
5 doors
5 doors
Minimum Turning Radius
5.4 m
5.6 m
Front Headroom
Not Officially Disclosed
992 mm
Rear Headroom
Not Officially Disclosed
941 mm
Front Legroom
Not Officially Disclosed
1038 mm
Rear Legroom
Not Officially Disclosed
883 mm
Spec
Across
X4
Front Track Width
1530 mm
-
Rear Track Width
1535 mm
-
Front Suspension
MacPherson strut
Adaptive M Suspension
Rear Suspension
Torsion beam
Adaptive M Suspension
Power Steering
Electronic rack-and-pinion
-
Steering Column
Tilt and telescopic adjustment
-
Spec
Across
X4
Load Bed Length
Not Applicable
-
Load Bed Width
Not Applicable
-
Climate Control
Automatic
Standard
Power Windows
Front and rear; driver one-touch up/down
Standard
Keyless Entry
Standard
Comfort Access
Push Button Start
Standard
Yes
Wireless Charging
Front Qi charger standard
Yes
Sunroof
Panoramic
Panoramic
Electric Tailgate
Smart powered hands-free tailgate
No
Rain Sensing Wipers
Not Officially Disclosed
Yes
Auto Dimming Mirror
Standard
-
Rear Window Defroster
Electric demister
-
12V Accessory Socket
2 x 12V (front and luggage area)
-
AC Type
Automatic
Standard
Heads Up Display
Standard
-
Power Mirrors
Electric folding
-
Loadbox Length Mm
Not Applicable
-
Loadbox Width Mm
Not Applicable
-
Spec
Across
X4
Engine
1.5-litre Naturally Aspirated Petrol Mild Hybrid
BMW turbocharged engine
Engine Code
K15C
B48
Fuel Type
Petrol Mild Hybrid
Petrol
Hybrid System
12V Mild Hybrid
Not Applicable
Engine Displacement
1462 cc
2998 cc
Cylinders
4
6
Cylinder Layout
Inline
Inline
Valves
16
16
Valves per Cylinder
4
4
Aspiration
Naturally Aspirated
Turbocharged
Fuel System
Multi-Point Injection
Direct injection
Compression Ratio
12.0:1
10.5:1
Bore
74 mm
82.0 mm
Stroke
85 mm
94.6 mm
Maximum Power
75.8 kW @ 6000 rpm
285 kW
Maximum Torque
136.8 Nm @ 4400 rpm
500 Nm
Combined Power
Not Officially Disclosed
Not Applicable
Combined Torque
Not Officially Disclosed
Not Applicable
Motor Type
Not Officially Disclosed
Not Applicable
Number of Motors
Not Officially Disclosed
Not Applicable
Motor Location
Not Officially Disclosed
Not Applicable
Drive Type
FWD
AWD
Transmission
6-Speed Automatic
8-Speed Automatic
Top Speed
Not Officially Disclosed
250 km/h
0-100 km/h
Not Officially Disclosed
4.8 sec
Quarter Mile
Not Officially Disclosed
12.2 sec
Drive Modes
Not Officially Disclosed
Eco, Comfort, Sport
Launch Control
Not Officially Disclosed
No
Rev Limiter
Not Officially Disclosed
7000 rpm
Power-to-Weight Ratio
Not Officially Disclosed
100 kW/tonne
Torque-to-Weight Ratio
Not Officially Disclosed
220 Nm/tonne
Battery Capacity
Not Officially Disclosed
Not Applicable
Usable Battery Capacity
Not Officially Disclosed
Not Applicable
Battery Type
Not Officially Disclosed
Not Applicable
Battery Voltage
Not Officially Disclosed
Not Applicable
Electric Range
Not Applicable
Not Applicable
AC Charging Power
Not Applicable
Not Applicable
DC Charging Power
Not Applicable
Not Applicable
AC Charging Time
Not Applicable
Not Applicable
DC Charging Time
Not Applicable
Not Applicable
Regenerative Braking
Not Officially Disclosed
Not Applicable
Spec
Across
X4
Gearbox
6-speed automatic
8-Speed Automatic
Drivetrain Layout
Front-engine, front-wheel drive
Rear-wheel drive
LSD Available
Not Applicable
M sport differential
Transfer Case
Not Applicable
Yes
Differential Lock
Not Applicable
Yes
Paddle Shifters
Standard
Yes
Final Drive Ratio
3.683
Yes
Number of Gears
6
8
Transmission Type
Automatic
Automatic
Clutch Type
Not Officially Disclosed
Yes
Gear Shift Indicator
Not Officially Disclosed
Yes
Gear Shift Type
Straight-gate automatic selector
Automatic selector
Drivetrain
2WD front-wheel drive
RWD
4WD Engagement
Not Applicable
Electronically controlled AWD
4WD Hi Range
Not Applicable
Yes
4WD Lo Range
Not Applicable
Yes
4WD Selector
Not Applicable
Yes
Automatic Shift Paddles
Standard
Yes
Front Differential Lock
Not Applicable
Yes
Gearbox Type
6-speed automatic
Automatic
Low Range Ratio
Not Applicable
Yes
Low Range
Not Applicable
Yes
Axle Layout
4x2
Yes
Rear Differential Lock
Not Applicable
Yes
Transmission Speeds
6
8
Spec
Across
X4
Claimed Mileage
18.9 km/l
12.5 km/l
City Mileage
15.3 km/l
10.5 km/l
Highway Mileage
22.0 km/l
15.0 km/l
Fuel Tank Capacity
45 l
1 l
Emission Standard
Not Officially Disclosed
Euro 6
AdBlue Tank Capacity
Not Applicable
Not Applicable
Auto Start Stop
Engine auto stop/start system standard
Standard
Real-world Mileage
18.9 km/l
12.5 km/l
Charging Port Type
Not Applicable
Not Applicable
Charging Type
Not Applicable
Not Applicable
Fuel Tank Litres
45
1
Combined Driving Range
Not Applicable
Not Applicable
Electric Consumption
Not Applicable
Not Applicable
Range Real World Highway
Not Applicable
360 km
Range Real World Mixed
Not Applicable
420 km
Spec
Across
X4
Airbags
6
6
ABS
Standard
Standard
Electronic Stability Control
Standard
Standard
Traction Control
Standard through ESP
Standard
Hill Descent Control
Not Officially Disclosed
Yes
Hill Start Assist
Standard
Standard
Child Safety Lock
Not Officially Disclosed
Standard
ISOFIX Mounts
2 rear anchor positions
Standard
Brake Assist
DSBS II brake assist
Standard
Tyre Pressure Monitor
Not Officially Disclosed
Standard
Engine Immobiliser
Standard
Standard
Alarm System
Standard
-
Seatbelt Warning All Seats
Front seats only; rear reminder not available
Standard
Front Parking Sensors
Standard
Yes
AEB
Standard
Yes
BA
DSBS II brake assist
Standard
Brake Override System
Not Officially Disclosed
Yes
Curtain Airbags
Standard
Yes
Driver Airbag
Standard
Yes
EBD
Standard
Standard
Engine Immobiliser
Standard
Standard
Hill Hold
Standard
Standard
Passenger Airbag
Standard
Yes
Rear Cross Traffic Alert
Alert
Yes
Seatbelt Pretensioners
Front seats
Yes
Seatbelt Reminder
Front seats only
Standard
Side Airbags
Standard
Yes
Stability Control
Standard
Standard
TCS
Standard through ESP
Standard
Knee Airbag
Not Available
Yes
ABS EBD
Standard
Standard
Spec
Across
X4
Cruise Control
Adaptive
Yes
Adaptive Cruise Control
Standard
Yes
Lane Keep Assist
Standard
Yes
Lane Departure Warning
Standard
Yes
Blind Spot Monitoring
Standard
Yes
Rear Cross Traffic Alert
Alert
Yes
Parking Sensors
Front and rear
Yes
Rear View Camera
Surround-view camera
Yes
360 Degree Camera
Standard
Yes
Autonomous Emergency Braking
Standard
Yes
Driver Fatigue Alert
Weaving alert
Yes
Traffic Sign Recognition
Not Officially Disclosed
Yes
Auto Highbeam
Standard
Standard
Auto Wipers
Not Officially Disclosed
Yes
Rear Parking Sensors
Standard
Yes
Reverse Camera
Surround-view camera
Yes
Adaptive Cruise Control
Standard
Yes
Park Assist
Not Officially Disclosed
Standard
Around View Monitor
Standard
Yes
Blind Spot Warning
Standard
Yes
Forward Collision Warning
DSBS II warning
Yes
Surround View Camera
Standard
Yes
Lane Departure Prevention
Standard
-
Spec
Across
X4
Seat Material
Synthetic leather
Leather 'Vernasca' Black with decorative stitching
Heated Seats
Not Officially Disclosed
Front
Ventilated Seats
Front
Yes
Ambient Lighting
64-colour LED
Standard
Rear Armrest
Standard with cup holders
-
Cup Holders
4 (2 front, 2 rear)
-
Rear AC Vents
Standard
-
Steering Wheel Material
Leather
Steering wheel M Leather
60 40 Split Seat
Standard single-fold rear seat
Yes
Driver Seat Adjustment
8-way electric
Electric with driver memory
Passenger Seat Adjustment
Manual; no height adjustment
Electric multi-way
Boot Light
Standard
-
Seat Trim
Black synthetic leather with copper stitching
M Sport Seats
Spec
Across
X4
Infotainment System
10.1-inch display audio
Yes
Apple CarPlay
Wired or wireless
Yes
Android Auto
Wired or wireless
Yes
Bluetooth Connectivity
Standard
Yes
Number of Speakers
8-speaker Infinity
6
Digital Instrument Cluster
10.25-inch colour TFT information display
BMW Live Cockpit Professional (includes head-up display)
USB Ports
4 Type-C (2 front, 2 rear)
2
Steering Wheel Audio Controls
Audio, cruise control and hands-free phone
-
Rear Usb
2 Type-C
-
Audio System
Infinity premium 8-speaker
-
Front Rear USB Charge Ports
2 front Type-C and 2 rear Type-C
-
Infotainment Screen
10.1-inch
14.9
Smartphone Connectivity
Apple CarPlay and Android Auto via USB or Wi-Fi
-
Touchscreen
10.1-inch
14.9
Spec
Across
X4
LED Headlamps
Standard
Standard
Daytime Running Lamps
LED standard
Standard
Fog Lamps
Front standard; rear not available
Yes
Roof Rails
Grey
Yes
Alloy Wheel Design
Machined 17-inch
-
Exterior Colour Options
Magma Grey Metallic; Sizzling Red Metallic; Exuberant Blue Pearl Metallic; Arctic White Pearl; Bluish Black Pearl; Mystic Green Pearl; Splendid Silver Pearl Metallic; and GLX two-tone combinations of Splendid Silver, Sizzling Red or Exuberant Blue with a Bluish Black roof
Multiple manufacturer colours
Rear Wiper
Fixed intermittent
-
Led Taillights
Connected rear LED tail lamps
-
Automatic Headlamps
Standard
-
Front Fog Lamps
Front standard; rear not available
Yes
Headlights
Standard
Standard
Panoramic Sunroof
Standard
Yes
Spec
Across
X4
Approach Angle
Not Officially Disclosed
25 deg
Departure Angle
Not Officially Disclosed
23 deg
Wading Depth
Not Officially Disclosed
500 mm
Terrain Modes
Not Officially Disclosed
Auto; Sport; Eco
Locking Differential
Not Applicable
Yes
4WD System Type
Not Applicable
All-wheel drive
Breakover Angle
Not Officially Disclosed
20 deg
Ground Clearance Max
210 mm
-
Ground Clearance Min
210 mm
-
Spec
Across
X4
Tyre Size
215/60 R17
Runflat tyres
Wheel Type
Machined 17-inch
-
Front Brake Type
Ventilated disc
M Sport brakes
Rear Brake Type
Solid disc
M Sport brakes
Spare Wheel Type
Full-size spare
Tyre repair kit
Parking Brake Type
Electric
-
Wheel Rim Size
17-inch machined alloy
20
Electric Park Brake
Standard
-
Handbrake Type
Electric parking brake
Electronic
Spec
Across
X4
Service Interval
15,000 km or 12 months, whichever comes first
-
Service Plan
4 years / 60,000 km
5 years / 100000 km BMW Motorplan
Spec
Across
X4
Anti-Corrosion Warranty
6 years
-
Roadside Assistance
5 years
-
Warranty
5 years / 200,000 km promotional warranty
Yes
Spec
Across
X4
CO2 Emissions
121 g/km
1 g/km
Start Stop System
Standard
-
Hybrid System Type
12V SHVS mild hybrid with integrated starter generator
-
Fuel Octane Requirement
Petrol
-
Spec
Across
X4
Ownership Role
A buyer who values AEB, blind-spot monitoring, adaptive cruise, surround-view parking and cooled front-seat comfort enough to accept a R92,000 premium over GL 6AT.
Private, business and fleet
Price Zar
464900 ZAR
1600000 ZAR
Pricing Role
the safety-and-comfort flagship
Current recommended retail price
Starting Price
464900
1600000
Starting Price Zar
464900
1600000
In depth: how these cars differ
This Across and X4 comparison uses the exact derivatives selected above for South Africa. The catalogue index covers performance, efficiency, safety equipment, practicality and ownership cover only where comparable source-backed fields are present.
Performance index: Across 34 vs X4 97.
Efficiency index: Across 76 vs X4 57.
Safety-equipment index: Across 91 vs X4 92.
Practicality index: Across 62 vs X4 60.
Ownership-cover index: Across not separately scored vs X4 not separately scored.
These figures are Hagalu catalogue-comparison indicators, not customer ratings, crash-test scores, resale guarantees or a substitute for a road test. Each page shows its weighted source coverage beside the result.
Model imagery
Across and X4 image comparison
Open an image for its full canonical file or visit the model page for the complete vehicle record.
A transparent comparison of published catalogue fields. This is not a road-test score, owner rating or editorial review rating, and it appears only when every vehicle clears the same comparable-data threshold.
Evidence / 100
Evidence-index readout
X4 leads by 14 points
X4 has a modest catalogue-index lead, while Across remains close.
Performance
X4 +63
Efficiency
Across +19
Safety
X4 +1
Practicality
Across +2
Moderate difference in the source-backed catalogue index.
Why this scoreView full breakdown
Evidence-index leader
X4
Performance
97/100
Efficiency
57/100
Safety
92/100
Practicality
60/100
Across
Performance
34/100
Efficiency
76/100
Safety
91/100
Practicality
62/100
What the evidence means
Evidence indexBMW X4
leads the specification evidence index with 78 pts
vs 64 pts for Across
In Hagalu's specification evidence index, X4 leads. However, Across may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.
Related comparisons
Continue with closely related South Africa models and comparable body styles.
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.
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