Infiniti QX55 vs Rolls-Royce Cullinan

How does the Infiniti QX55 stack up against the Rolls-Royce Cullinan? We put their headline specs side by side so you can see exactly where each car leads.

Infiniti QX55Infiniti QX55
vs
Rolls-Royce CullinanRolls-Royce Cullinan
SpecInfiniti QX55Rolls-Royce Cullinan
Horsepower (max)268 hp591 hp
0-100 km/h (fastest)6.7 s5.0 s
Top speed230 km/h250 km/h
Variants12
Body styleCompact coupe SUVV12 luxury SUV
GenerationJ55 coupeSeries II
Production2021 – 20252018 – present
Length4,762 mm5,341 mm
Width1,903 mm2,164 mm
Height1,632 mm1,835 mm
Wheelbase2,800 mm3,295 mm

Infiniti QX55 vs Rolls-Royce Cullinan: common questions

Is the Infiniti QX55 or Rolls-Royce Cullinan faster?
The Rolls-Royce Cullinan is quicker, hitting 0-60 mph in 4.8s versus the Infiniti QX55's 6.4s (0-100 km/h in 5s vs 6.7s).
Which has more horsepower, the Infiniti QX55 or the Rolls-Royce Cullinan?
The Rolls-Royce Cullinan makes more power: 591 hp (441 kW) versus 268 hp (200 kW) for the Infiniti QX55.
Is the Infiniti QX55 or Rolls-Royce Cullinan faster on top speed?
The Rolls-Royce Cullinan has the higher top speed at 155 mph (250 km/h), versus 143 mph (230 km/h) for the Infiniti QX55.
What is the main difference between the Infiniti QX55 and the Rolls-Royce Cullinan?
The Infiniti QX55 is a compact coupe suv, while the Rolls-Royce Cullinan is a v12 luxury suv. That difference in body style drives most of the others.