Mercedes-Benz AMG G63 vs Rolls-Royce Cullinan

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

Mercedes-Benz AMG G63Mercedes-Benz AMG G63
vs
Rolls-Royce CullinanRolls-Royce Cullinan
SpecMercedes-Benz AMG G63Rolls-Royce Cullinan
Horsepower (max)585 hp591 hp
0-100 km/h (fastest)4.4 s5.0 s
Top speed240 km/h250 km/h
Variants12
Body stylePerformance SUVV12 luxury SUV
GenerationW463ASeries II
Production2018 – present2018 – present
Length4,866 mm5,341 mm
Width1,984 mm2,164 mm
Height1,969 mm1,835 mm
Wheelbase2,890 mm3,295 mm

Mercedes-Benz AMG G63 vs Rolls-Royce Cullinan: common questions

Is the Mercedes-Benz AMG G63 or Rolls-Royce Cullinan faster?
The Mercedes-Benz AMG G63 is quicker, hitting 0-60 mph in 4.2s versus the Rolls-Royce Cullinan's 4.8s (0-100 km/h in 4.4s vs 5s).
Which has more horsepower, the Mercedes-Benz AMG G63 or the Rolls-Royce Cullinan?
The Rolls-Royce Cullinan makes more power: 591 hp (441 kW) versus 585 hp (436 kW) for the Mercedes-Benz AMG G63.
Is the Mercedes-Benz AMG G63 or Rolls-Royce Cullinan faster on top speed?
The Rolls-Royce Cullinan has the higher top speed at 155 mph (250 km/h), versus 149 mph (240 km/h) for the Mercedes-Benz AMG G63.
What is the main difference between the Mercedes-Benz AMG G63 and the Rolls-Royce Cullinan?
The Mercedes-Benz AMG G63 is a performance suv, while the Rolls-Royce Cullinan is a v12 luxury suv. That difference in body style drives most of the others.