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Mercedes GLS vs Rolls-Royce Cullinan comparison

Compare performance (634 HP vs 600 HP), boot space and price (96,100 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Rolls-Royce Cullinan?

Mercedes GLS vs Rolls-Royce Cullinan: Key differences

Mercedes GLS

  • significantly cheaper
  • very slightly more power
  • clearly more efficient
  • a bit quicker 0–100 km/h
  • barely lighter

Rolls-Royce Cullinan

  • clearly more trunk space

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

GLS

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 GLS is significantly cheaper – starting at 96,100 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 179,280 £.

Fuel consumption also shows a difference: the Mercedes GLS uses 7.8 L/100km and is clearly more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 8.2 L/100km.

Cullinan

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes GLS offers very slightly more power – delivering 634 HP compared to 600 HP. That’s roughly 34 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is a bit quicker – completing the sprint in 4.2 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Rolls-Royce Cullinan delivers very slightly more torque with 900 Nm compared to 850 Nm. That’s about 50 Nm more.

GLS

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.

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, Mercedes GLS is barely lighter – 2,550 kg compared to 2,660 kg. The difference is around 110 kg.

Looking at boot space, the Rolls-Royce Cullinan offers clearly more boot space – 555 L compared to 355 L. That’s a difference of about 200 L.

When it comes to payload, the Rolls-Royce Cullinan carries slightly more – 840 kg compared to 695 kg. That’s a difference of about 145 kg.

Who wins the race in the data check?

The Mercedes GLS stands well ahead of its rival 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 £96,100
GLS

Mercedes GLS

  • Engine Type : Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 333 - 634 HP
  • Consumption L/100km : 7.8 - 13.7 L/100km
Mercedes GLS
Rolls-Royce Cullinan

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

details

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.

details
Mercedes GLS
Rolls-Royce Cullinan

Costs and Consumption

Price
96,100 - 208,500 £
Price
275,400 - 324,600 £
Consumption L/100km
7.8 - 13.7 L/100km
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
204 - 310 g/km
co2
363 - 380 g/km
Fuel tank capacity
90 L
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
5
Doors
-
Curb weight
2,550 - 2,825 kg
Curb weight
2,660 kg
Trunk capacity
355 L
Trunk capacity
555 L
Length
5,208 - 5,233 mm
Length
-
Width
1,956 mm
Width
2,000 mm
Height
1,782 - 1,838 mm
Height
-
Max trunk capacity
2,400 L
Max trunk capacity
-
Payload
445 - 695 kg
Payload
840 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 634 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.2 - 6.7 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
238 - 280 km/h
Max Speed
-
Torque
500 - 850 Nm
Torque
850 - 900 Nm
Number of Cylinders
6 - 8
Number of Cylinders
12
Power kW
245 - 466 kW
Power kW
420 - 441 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
6,749 cm3

General

Model Year
2,024 - 2,025
Model Year
2,024
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Rolls-Royce
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.