Mercedes-Benz G-Class vs Rolls-Royce Cullinan
The G-Class costs less to run, by the official figures: about $780 a year less in New Zealand, $640 in Australia, £470 in the UK and $600 in the US.


Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- New Zealand
- $5,071 (better)
- $5,850
- Australia
- $4,195 (better)
- $4,839
- United Kingdom
- £3,081 (better)
- £3,554
- United States
- $3,918 (better)
- $4,520
Official figures
- Uses
- 15.7 L/100km (better)
- 18.1 L/100km
- UK
- 18 mpg (better)
- 16 mpg
- US
- 15 mpg (better)
- 13 mpg
- On a full tank
- 638 km (better)
- 553 km
Space
- Seats
- 5
- 5
- Boot
- 667 L (better)
- 560 L
- Length
- 4,817 mm
- 5,341 mm
- Weight
- 2,414 kg
- 2,660 kg
Engine
- Engine
- 4.0 L V8 twin-turbo petrol
- 6.75 L V12 twin-turbo petrol
- Power
- 310 kW
- 420 kW (better)
- Torque
- 610 Nm
- 850 Nm (better)
- Gearbox
- 9-speed automatic
- 8-speed automatic
- Drive
- 4WD
- AWD
A typical year: New Zealand 11,000 km (Ministry of Transport's average for a light vehicle); Australia 11,100 km (ABS Survey of Motor Vehicle Use average); United Kingdom 11,265 km (DfT National Travel Survey average of about 7,000 miles); United States 21,726 km (FHWA average of about 13,500 miles). Real costs depend on how and where you drive. Work out a particular trip.
G-Class or Cullinan?
Which is cheaper to run, the Mercedes-Benz G-Class or the Rolls-Royce Cullinan?
The Mercedes-Benz G-Class: about $780 a year less in New Zealand, $640 in Australia, £470 in the UK and $600 in the US than the Rolls-Royce Cullinan at today's average prices and a typical year's driving.
Which uses less fuel, the Mercedes-Benz G-Class or the Rolls-Royce Cullinan?
The Mercedes-Benz G-Class, at 15.7 L/100km (18 mpg UK, 15 mpg US) to the Rolls-Royce Cullinan's 18.1 L/100km (16 mpg UK, 13 mpg US), by their latest official figures.
Which has the bigger boot, the Mercedes-Benz G-Class or the Rolls-Royce Cullinan?
The Mercedes-Benz G-Class, at 667 L to the Rolls-Royce Cullinan's 560 L, for their newest versions.
Each on its own
Other comparisons
What will the drive cost?
Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and splits it between everyone in the car.
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