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Rolls-Royce Cullinan vs Mercedes G-Class comparison

Compare performance (600 HP vs 605 HP), boot space and price (275,400 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Rolls-Royce Cullinan or Mercedes G-Class?

Rolls-Royce Cullinan vs Mercedes G-Class: Key differences

Rolls-Royce Cullinan

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Mercedes G-Class

  • significantly cheaper
  • barely more power
  • considerably more efficient
  • moderately quicker 0–100 km/h
  • only slightly lighter
  • moderately more trunk space
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Cullinan

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes G-Class is significantly cheaper – starting at 106,600 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 168,810 £.

Fuel consumption also shows a difference: the Mercedes G-Class uses 8.7 L/100km and is considerably more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 7.3 L/100km.

G-Class

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes G-Class offers barely more power – delivering 605 HP compared to 600 HP. That’s roughly 5 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is moderately quicker – completing the sprint in 4.4 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers clearly more torque with 1,164 Nm compared to 900 Nm. That’s about 264 Nm more.

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes G-Class is only slightly lighter – 2,485 kg compared to 2,660 kg. The difference is around 175 kg.

Looking at boot space, the Mercedes G-Class offers moderately more boot space – 640 L compared to 555 L. That’s a difference of about 85 L.

When it comes to payload, the Rolls-Royce Cullinan carries somewhat more – 840 kg compared to 715 kg. That’s a difference of about 125 kg.

Who wins the race in the data check?

The Mercedes G-Class is clearly superior overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £106,600
G-Class

Mercedes G-Class

  • Engine Type Petrol MHEV, Diesel MHEV, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 387 - 605 HP
  • Consumption L/100km 8.7 - 14.7 L/100km
  • Consumption kWh/100km 28 kWh/100km
  • Electric Range 479 km
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Rolls-Royce Cullinan

The Cullinan seamlessly combines the hallmark luxury of Rolls-Royce with the rugged versatility of an SUV, making it a true standout in the automotive landscape. Its impeccably crafted interior envelops passengers in a serene atmosphere, complemented by advanced technology and unparalleled comfort. With its commanding presence on the road, the Cullinan redefines what it means to travel in style without compromising on capability.

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Mercedes G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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Rolls-Royce Cullinan
Mercedes G-Class

Costs and Consumption
Price
275,400 - 324,600 £
Price
106,600 - 171,000 £
Consumption L/100km
16 - 16.8 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
-
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
363 - 380 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Off-Roader
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,660 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
555 L
Trunk capacity
640 L
Length
-
Length
-
Width
2,000 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
840 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
571 - 600 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
4.9 - 5.2 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
850 - 900 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
12
Number of Cylinders
6 - 8
Power kW
420 - 441 kW
Power kW
285 - 445 kW
Engine capacity
6,749 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, A
Brand
Rolls-Royce
Brand
Mercedes-Benz
What drive types are available for the Rolls-Royce Cullinan?

The Rolls-Royce Cullinan is offered with All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.