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Mercedes CLA Coupe vs Rolls-Royce Cullinan comparison

Compare performance (354 HP vs 600 HP), boot space and price (39,600 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or Rolls-Royce Cullinan?

Mercedes CLA Coupe vs Rolls-Royce Cullinan: Key differences

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • significantly lighter
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Rolls-Royce Cullinan

  • clearly more power
  • noticeably more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

CLA Coupe

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes CLA Coupe is clearly cheaper – starting at 39,600 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 235,764 £.

Fuel consumption also shows a difference: the Mercedes CLA Coupe uses 4.9 L/100km and is clearly more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 11.1 L/100km.

Cullinan

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 Rolls-Royce Cullinan offers clearly more power – delivering 600 HP compared to 354 HP. That’s roughly 246 HP more horsepower.

Both models accelerate almost equally fast – 4.9 s from 0 to 100 km/h.

There’s also a difference in torque: the Rolls-Royce Cullinan delivers substantially more torque with 900 Nm compared to 515 Nm. That’s about 385 Nm more.

CLA Coupe

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes CLA Coupe is significantly lighter – 1,695 kg compared to 2,660 kg. The difference is around 965 kg.

Looking at boot space, the Rolls-Royce Cullinan offers noticeably more boot space – 555 L compared to 405 L. That’s a difference of about 150 L.

When it comes to payload, the Rolls-Royce Cullinan carries clearly more – 840 kg compared to 455 kg. That’s a difference of about 385 kg.

Who wins the race in the data check?

The Mercedes CLA Coupe 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 £39,600
CLA Coupe

Mercedes CLA Coupe

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 4.9 - 5.3 L/100km
  • Consumption kWh/100km 12.3 - 12.7 kWh/100km
  • Electric Range 542 - 792 km
Mercedes CLA Coupe
Rolls-Royce Cullinan

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes CLA Coupe

The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.

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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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Mercedes CLA Coupe
Rolls-Royce Cullinan

Costs and Consumption

Price
39,600 - 60,000 £
Price
275,400 - 324,600 £
Consumption L/100km
4.9 - 5.3 L/100km
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
12.3 - 12.7 kWh/100km
Consumption kWh/100km
-
Electric Range
542 - 792 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 120 g/km
co2
363 - 380 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,695 - 2,135 kg
Curb weight
2,660 kg
Trunk capacity
405 L
Trunk capacity
555 L
Length
-
Length
-
Width
1,855 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
430 - 455 kg
Payload
840 kg

Engine and Performance

Engine Type
Electric, Full Hybrid
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.9 - 8.8 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
850 - 900 Nm
Number of Cylinders
4
Number of Cylinders
12
Power kW
115 - 260 kW
Power kW
420 - 441 kW
Engine capacity
1,499 cm3
Engine capacity
6,749 cm3

General

Model Year
2,025 - 2,026
Model Year
2024
CO2 Efficiency Class
A, C, D
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.