Lexus GX vs Lexus RZ

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 10-Speed Automatic Current
ZAR 1,856,600 ex-showroom
⚡ 260 kW 🔧 650 Nm ⛽ 8.1 km/l
VS
Lexus RZ in South Africa

Lexus RZ

RZ 550e F SPORT Electric Single-Speed Reduction Gear Current
ZAR 1,977,600 ex-showroom
⚡ 300 kW 🔧 269 Nm
＋ Add a 3rd car

Decision summary

Lexus GX vs Lexus RZ: the short answer

GX and RZ are close on the comparable published fields, so buyer priorities should decide.

RZ starts ZAR 174,000 cheaper GX from ZAR 1,856,600 · RZ from ZAR 1,682,600

Five key differences

Exact selected derivatives
Specification GX RZ
Maximum Power GX260 kW RZ300 kW
Maximum Torque GX650 Nm RZ268.6 Nm
Engine Size GX3500 cc RZNot Applicable
Combined Fuel Economy GX8.1 km/l RZNot Applicable
Ground Clearance GX220 mm RZ200 mm

Strongest published figure in that row; no road-test winner is implied.

What Each Car Gets Right (and Wrong)

GX

Strengths
  • More powerful engine output
  • Stronger published practicality figures
Weak Spots
  • Lower fuel efficiency
  • Fewer listed safety features
Best suited to: Published Performance Published Practicality
Specification evidence leader

RZ

Strengths
  • Better fuel efficiency
  • Stronger listed safety equipment
Weak Spots
  • Less powerful engine setup
  • Lower published practicality figures
Best suited to: Published Efficiency

Which One's Right for You?

GX

  • Buyers prioritising the stronger published powertrain figures
  • Buyers prioritising the stronger published space and capacity figures

RZ

  • Buyers prioritising the lower published fuel or energy use
  • Buyers prioritising the more complete listed safety equipment

Full Specs, Side by Side

Spec GX RZ
Model Introduced Year 2025 2026
Generation Third-generation Lexus GX 550 body-on-frame luxury SUV Updated dedicated battery-electric Lexus RZ range launched locally in 2026
Facelift History All-new GX 550 launched in South Africa in 2025 with Overtrail and SE grades 2026 South African range introduces RZ 500e, RZ 550e F SPORT and RZ 600e F SPORT Performance derivatives
Facelift Launched Since All-new GX 550 launched in South Africa in 2025 with Overtrail and SE grades 2026 South African range introduces RZ 500e, RZ 550e F SPORT and RZ 600e F SPORT Performance derivatives
Facelift Version Ending Current South African specification checked 2026-07-17 Current South African specification checked 2026-07-17
Body Style SUV SUV
Model Year 2026 2026
Production Status published active
Segment Luxury SUV Luxury SUV
Tare Mass Kg 2475-2515 kg 2145-2165 kg
Vehicle Type SUV SUV
Spec GX RZ
Length 5015 mm 4805 mm
Width 2000 mm 1895 mm
Height 1870 mm 1635 mm
Wheelbase 2850 mm 2850 mm
Ground Clearance (Default) 220 mm 200 mm
Fuel Tank Capacity 80 l 0 l
Boot/Cargo Space 1063 l 522 l
Gross Vehicle Weight (GVW) 3110 kg 2640 kg
Towing Capacity 3500 kg 750 kg
Seating Capacity 5 seats 5 seats
Doors 5 doors 5 doors
Minimum Turning Radius 6 m 5.6 m
Ground Clearance (With Full Seating Load) - Not Officially Disclosed
Kerb Weight - 2180 kg
Payload Capacity - 460 kg
Number of Rows - 2 rows
Front Headroom - 1013 mm
Rear Headroom - 1008 mm
Front Legroom - 1069 mm
Rear Legroom - 953 mm

In depth: how these cars differ

This GX and RZ comparison uses the exact South African derivatives selected above. The catalogue index covers performance, efficiency, safety equipment, practicality and ownership cover only where comparable source-backed fields are present.

Performance index: GX 96 vs RZ 83.

Efficiency index: GX 34 vs RZ 90.

Safety-equipment index: GX 93 vs RZ 94.

Practicality index: GX 88 vs RZ 62.

Ownership-cover index: GX not separately scored vs RZ 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.

Specification Evidence Index

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

RZ leads by 1 points

GX and RZ are close on the comparable published fields, so buyer priorities should decide.

Evidence leader 82 /100
Lead 1 points
Data 60% source coverage
82
#1 Evidence leader

RZ

60% source coverage 3 strong categories
Best at Safety 94 Check Practicality 62
Performance 83
Efficiency 90
Safety 94
Practicality 62
Leads by 1 points
81
#2

GX

70% source coverage 3 strong categories
Best at Performance 96 Check Efficiency 34
Performance 96
Efficiency 34
Safety 93
Practicality 88
Performance 24% Safety 22% Practicality 22% Efficiency 17% Ownership 15%
Category leaders What moves the verdict
Performance GX +13 Efficiency RZ +56 Safety RZ +1 Practicality GX +26

Close catalogue match. Buyer priorities should decide the outcome.

Why this score View full breakdown
Evidence-index leader

RZ

Performance 83/100
Efficiency 90/100
Safety 94/100
Practicality 62/100

GX

Performance 96/100
Efficiency 34/100
Safety 93/100
Practicality 88/100

What the evidence means

Evidence index Lexus RZ leads the specification evidence index with 82 pts vs 81 pts for GX

In Hagalu's specification evidence index, RZ leads. However, GX may suit buyers prioritising different confirmed fields. Ultimately, the right choice depends on your driving priorities in South Africa.

Related comparisons

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GX vs RZ questions

There is no universal winner. Use the comparison table to match the exact South African derivatives 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.