Lexus GX 550 vs Mercedes-Benz AMG G63

How does the Lexus GX 550 stack up against the Mercedes-Benz AMG G63? We put their headline specs side by side so you can see exactly where each car leads.

Lexus GX 550Lexus GX 550
vs
Mercedes-Benz AMG G63Mercedes-Benz AMG G63
SpecLexus GX 550Mercedes-Benz AMG G63
Horsepower (max)349 hp585 hp
0-100 km/h (fastest)6.5 s4.4 s
Top speed195 km/h240 km/h
Variants21
Body styleBody-on-frame luxury SUVPerformance SUV
GenerationJ250W463A
Production2024 – present2018 – present
Length4,950 mm4,866 mm
Width1,980 mm1,984 mm
Height1,865 mm1,969 mm
Wheelbase2,850 mm2,890 mm

Lexus GX 550 vs Mercedes-Benz AMG G63: common questions

Is the Lexus GX 550 or Mercedes-Benz AMG G63 faster?
The Mercedes-Benz AMG G63 is quicker, hitting 0-60 mph in 4.2s versus the Lexus GX 550's 6.2s (0-100 km/h in 4.4s vs 6.5s).
Which has more horsepower, the Lexus GX 550 or the Mercedes-Benz AMG G63?
The Mercedes-Benz AMG G63 makes more power: 585 hp (436 kW) versus 349 hp (260 kW) for the Lexus GX 550.
Is the Lexus GX 550 or Mercedes-Benz AMG G63 faster on top speed?
The Mercedes-Benz AMG G63 has the higher top speed at 149 mph (240 km/h), versus 121 mph (195 km/h) for the Lexus GX 550.
What is the main difference between the Lexus GX 550 and the Mercedes-Benz AMG G63?
The Lexus GX 550 is a body-on-frame luxury suv, while the Mercedes-Benz AMG G63 is a performance suv. That difference in body style drives most of the others.