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Mercedes AMG GT vs Rolls-Royce Cullinan comparison

Compare performance (816 HP vs 600 HP), boot space and price (102,500 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT or Rolls-Royce Cullinan?

Mercedes AMG GT vs Rolls-Royce Cullinan: Key differences

Mercedes AMG GT

  • significantly cheaper
  • markedly more power
  • considerably more efficient
  • significantly quicker 0–100 km/h
  • considerably lighter
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Rolls-Royce Cullinan

  • significantly more trunk space
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By Achim Sedelmaier

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

AMG GT

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes AMG GT is significantly cheaper – starting at 102,500 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 172,896 £.

Fuel consumption also shows a difference: the Mercedes AMG GT uses 10.3 L/100km and is considerably more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 5.7 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 AMG GT offers markedly more power – delivering 816 HP compared to 600 HP. That’s roughly 216 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is significantly quicker – completing the sprint in 2.8 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers markedly more torque with 1,420 Nm compared to 900 Nm. That’s about 520 Nm more.

AMG GT

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Rolls-Royce Cullinan offers more seats – 5 vs 2.

In terms of curb weight, Mercedes AMG GT is considerably lighter – 1,790 kg compared to 2,660 kg. The difference is around 870 kg.

Looking at boot space, the Rolls-Royce Cullinan offers significantly more boot space – 555 L compared to 321 L. That’s a difference of about 234 L.

When it comes to payload, the Rolls-Royce Cullinan carries substantially more – 840 kg compared to 215 kg. That’s a difference of about 625 kg.

Who wins the race in the data check?

The Mercedes AMG GT is far ahead 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 £102,500
AMG GT

Mercedes AMG GT

  • Engine Type Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 435 - 816 HP
  • Consumption L/100km 10.3 - 14 L/100km
  • Electric Range 11 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

Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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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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Reviews Rolls-Royce Cullinan

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Rolls-Royce Cullinan

Costs and Consumption
Price
102,500 - 194,400 £
Price
275,400 - 324,600 £
Consumption L/100km
10.3 - 14 L/100km
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
235 - 319 g/km
co2
363 - 380 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,790 - 2,195 kg
Curb weight
2,660 kg
Trunk capacity
182 - 321 L
Trunk capacity
555 L
Length
-
Length
-
Width
1,929 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
170 - 215 kg
Payload
840 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
2.8 - 4.6 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
850 - 900 Nm
Number of Cylinders
4 - 8
Number of Cylinders
12
Power kW
320 - 600 kW
Power kW
420 - 441 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
6,749 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Rolls-Royce
What drive types are available for the Mercedes AMG GT?

Available configurations include Rear-Wheel Drive or 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.