Lexus GX vs KIA Sorento

A proper head-to-head in South Africa — we cover price, performance, petrol economy, safety and what it'll actually cost you to own each one long term.

Lexus GX in South Africa

Lexus GX

GX 550 Overtrail Petrol Automatic 10-speed
ZAR 1,856,600 ex-showroom
⚡ 260 kW 🔧 650 Nm ⛽ 8.1 km/l
VS
KIA Sorento in South Africa

KIA Sorento

2.2 CRDi SXL AWD DCT Diesel Automatic
ZAR 1,299,995 ex-showroom
⚡ 148 kW 🔧 440 Nm Nm ⛽ 15.6 km/l
Add a 3rd car

At a Glance — Who Wins What

Performance GX
Fuel Economy Sorento
🛡 Safety Sorento
📦 Practicality GX
🔑 Ownership GX
Sorento starts ZAR 1856600 cheaper GX from ZAR 1,856,600 · Sorento from ZAR 999,995

Key Specs Side by Side

The specs that matter most — highlighted where one car leads.

Spec GX Sorento
Engine Power 260 kW 148 kW
Torque 650 Nm 440 Nm
Engine Size 3500 cc 2151 cc
Claimed Mileage 8.1 km/l 15.6 km/l
Ground Clearance 220 mm 185 mm
Boot / Load Bay 1063 l 219 l
Airbags Curtain,Driver,Passenger,Driver Knee,Front Side,Passenger Knee 7
Kerb Weight 2475-2515 kg 1960 kg
Seating Capacity 5 7
Warranty 7 years / 100,000km 7 Years / 150,000 km

= leads in this spec

The Bottom Line

Both GX and Sorento are extremely closely matched, making the final choice dependent on buyer preference.

Where They Actually Differ

Performance GX +22 pts
Efficiency Sorento +27 pts
Safety Sorento +6 pts
Practicality GX +21 pts
Ownership GX +22 pts

What Each Car Gets Right (and Wrong)

🏆 Overall Winner

GX

Strengths
  • More powerful engine output
  • More practical for daily use
  • Better long-term ownership value
Weak Spots
  • Lower fuel efficiency
  • Less comprehensive safety features
Best suited to: Highway Driving Family Usage

Sorento

Strengths
  • Better fuel efficiency
  • Stronger safety package
Weak Spots
  • Less powerful engine setup
  • Less practical in daily usage
  • Shorter warranty coverage
Best suited to: Fuel Efficiency

Which One's Right for You?

GX

  • Drivers who prioritise strong highway performance and overtaking power
  • Large families needing more practicality and usability
  • Long-term owners valuing warranty and ownership peace of mind

Sorento

  • Buyers looking for better fuel efficiency
  • Families prioritising stronger safety equipment

Full Specs, Side by Side

Spec GX Sorento
Model Introduced Year 2025 2021
Generation Third-generation Lexus GX 550 body-on-frame luxury SUV Fourth generation (MQ4); global launch 2020, SA 2021
Facelift History All-new GX 550 launched in South Africa in 2025 with Overtrail and SE grades Fourth generation (MQ4) launched SA 2021; updated spec 2024
Facelift Launched Since All-new GX 550 launched in South Africa in 2025 with Overtrail and SE grades 2024
Facelift Version Ending Current South African specification checked 2026-07-17 Current
Body Style SUV SUV
Model Year 2026 2026
Production Status published published
Segment Luxury SUV SUV
Vehicle Type SUV SUV
Drivetrain Note - Drive layout derived from the official derivative naming: 2.2 CRDi SXL AWD DCT
Dealer Stock Note - Flagship grade in the South Africa lineup
Color Note - Glacier White Pearl, Aurora Black Pearl, Steel Grey, Interstellar Grey, Gravity Blue
Spec GX Sorento
Ground Clearance 220 mm 185 mm
Wheelbase 2850 mm 2815 mm
Length 5015 mm 4810 mm
Width 2000 mm 1900 mm
Height 1870 mm 1700 mm
Kerb Weight 2475-2515 kg 1960 kg
Gross Vehicle Weight 3110 kg 2550 kg
Seating Capacity 5 7
Boot Space 1063 l 219 l
Towing Capacity 3500 kg 2000 kg
Front Track Width 1687 mm 1640 mm
Rear Track Width 1688 mm 1644 mm
Turning Radius 6.0 m 11.2 m
Load Bed Length 1063 l 219 l
Load Bed Width - -
Number of Doors 5 5
Max Payload 595-635 kg -
Boot Volume 1063 l 219 l
Doors 5 5
Seats 5 7
Fuel Tank Capacity 80 l 67 l
Gross Vehicle Mass Kg 3110 kg 2550 kg
Ground Clearance Max 220 mm 185 mm
Ground Clearance Min 220 mm 185 mm
Ground Clearance Mm 220 mm 185 mm
Height Mm 1870 mm 1700 mm
Length Mm 5015 mm 4810 mm
Loadbox Length Mm 1063 l 219 l
Loadbox Width Mm - -
Payload Kg 595-635 kg -
Cargo Volume 1063 l 219 l
Tare Mass Kg 2475-2515 kg 1960 kg
Turning Circle 6.0 m 11.2 m
Turning Circle M 6.0 m 11.2 m
Width Mm 2000 mm 1900 mm
Front Overhang - 900 mm
Rear Overhang - 1095 mm
Front Headroom - 1010 mm
Rear Headroom - 955 mm
Front Legroom - 1040 mm
Rear Legroom - 855 mm
Rear Shoulder Room - 1350 mm
Boot Space Seats Folded - 616 l
Boot Space Seats Folded - 616 l
Front Shoulder Room - 1405 mm

Overall Verdict Score

Decision-grade view of the winner, score gap and category strengths.

Weighted / 100
Verdict readout

GX leads by 7 points

Both GX and Sorento are extremely closely matched, making the final choice dependent on buyer preference.

Winner 82 /100
Lead 7 points
Data 79% confidence
82
#1 Winner

GX

79% data confidence 4 strong categories
Best at Performance 96 Check Efficiency 34
Performance 96
Efficiency 34
Safety 94
Practicality 85
Ownership 93
Leads by 7 points
75
#2

Sorento

97% data confidence 3 strong categories
Best at Safety 100 Check Efficiency 61
Performance 74
Efficiency 61
Safety 100
Practicality 64
Ownership 71
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance GX +22 Efficiency Sorento +27 Safety Sorento +6 Practicality GX +21 Ownership GX +22

Very close match. Final decision depends on buyer preference.

Why this score View full breakdown
Overall Winner

GX

Performance 96/100
Efficiency 34/100
Safety 94/100
Practicality 85/100
Ownership 93/100

Sorento

Performance 74/100
Efficiency 61/100
Safety 100/100
Practicality 64/100
Ownership 71/100

So, Which One Should You Buy?

🏆 Lexus GX wins with 82 pts vs 75 pts for Sorento

In structured scoring, GX emerges as the stronger overall package. However, Sorento may appeal to buyers prioritising different factors. Ultimately, the right choice depends on your driving priorities in South Africa.

Buyers Also Looked At These

Other comparisons that people in the same boat tend to check out.

Questions Buyers Usually Ask

On our scoring the GX edges ahead overall. That said, the right choice depends on what you actually use the car for — the breakdown above shows exactly where each one wins and loses.

Efficiency scores: GX 34 vs Sorento 61. In the real world, diesel variants of either car will beat the claimed figure on long highways and fall short in Joburg traffic.

Safety scores: GX 94, Sorento 100. Check each model page for NCAP ratings and which trim levels include AEB and blind-spot monitoring — those features aren't always standard.

Long-term ownership scores: GX 93, Sorento 71. Service intervals, parts availability in SA, and whether a service plan is bundled all factor in — check the individual variant specs for that detail.

Practicality scores: GX 85, Sorento 64. This covers boot space, seat flexibility, and day-to-day usability — not just interior dimensions on paper.

Performance scores: GX 96, Sorento 74. This looks at real-world pace — 0–100 kph, highway flexibility, and how either car feels when you actually need to overtake on an N-road.

Resale varies with colour, spec, and market timing, but Japanese brands — and Toyota specifically — have a strong track record in SA. Check current used prices for both on AutoTrader to see the real gap right now.

Ground clearance and 4WD availability are what matter most here. Scroll to the spec table above to compare both side by side — if either model offers a 4WD variant, that's the version worth comparing.

Fuel, insurance, and service costs are the big three. Diesel variants of both models typically save R800–R1,500/month in fuel at current SA pump prices. The GX edges the overall ownership score, but check whether either variant includes a service plan — that changes the monthly maths significantly.

The GX scores better overall, but neither car is a bad buy here. It comes down to what features matter to you — check the full spec table above to see exactly what you gain and lose at each price point.

In Depth — Breaking It All Down

The comparison between GX and Sorento in South Africa evaluates performance, efficiency, safety, practicality and long-term ownership value.

Performance: GX scores 96 vs 74.

Efficiency: GX scores 34 vs 61.

Safety: GX scores 94 vs 100.

Practicality: GX scores 85 vs 64.

Ownership: GX scores 93 vs 71.

Final structured scoring gives GX the advantage in this comparison.