BMW iX vs Rolls-Royce Cullinan

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

BMW iXBMW iX
vs
Rolls-Royce CullinanRolls-Royce Cullinan
SpecBMW iXRolls-Royce Cullinan
Horsepower (max)650 hp591 hp
0-100 km/h (fastest)3.8 s5.0 s
Top speed250 km/h250 km/h
Variants32
Body styleLarge SUVV12 luxury SUV
GenerationI20Series II
Production2021 – present2018 – present
Length4,965 mm5,341 mm
Width1,970 mm2,164 mm
Height1,695 mm1,835 mm
Wheelbase3,000 mm3,295 mm

BMW iX vs Rolls-Royce Cullinan: common questions

Is the BMW iX or Rolls-Royce Cullinan faster?
The BMW iX is quicker, hitting 0-60 mph in 3.6s versus the Rolls-Royce Cullinan's 4.8s (0-100 km/h in 3.8s vs 5s).
Which has more horsepower, the BMW iX or the Rolls-Royce Cullinan?
The BMW iX makes more power: 650 hp (485 kW) versus 591 hp (441 kW) for the Rolls-Royce Cullinan.
Is the BMW iX or Rolls-Royce Cullinan faster on top speed?
Both cars top out at 155 mph (250 km/h).
What is the main difference between the BMW iX and the Rolls-Royce Cullinan?
The BMW iX is a large suv, while the Rolls-Royce Cullinan is a v12 luxury suv. That difference in body style drives most of the others.
BMW iX specs →Rolls-Royce Cullinan specs →