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Mercedes GLC vs Rolls-Royce Cullinan comparison

Compare performance (472 HP vs 600 HP), boot space and price (50,300 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLC or Rolls-Royce Cullinan?

Mercedes GLC vs Rolls-Royce Cullinan: Key differences

Mercedes GLC

4.4 (16 Reviews)
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  • clearly cheaper
  • substantially more efficient
  • somewhat quicker 0–100 km/h
  • markedly lighter
  • moderately more trunk space
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Rolls-Royce Cullinan

  • visibly more power
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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.

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

GLC

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes GLC is clearly cheaper – starting at 50,300 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 225,073 £.

Fuel consumption also shows a difference: the Mercedes GLC uses 1.6 L/100km and is substantially more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 14.4 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 visibly more power – delivering 600 HP compared to 472 HP. That’s roughly 128 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC is somewhat 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 slightly more torque with 900 Nm compared to 750 Nm. That’s about 150 Nm more.

GLC

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLC is markedly lighter – 1,985 kg compared to 2,660 kg. The difference is around 675 kg.

Looking at boot space, the Mercedes GLC offers moderately more boot space – 620 L compared to 555 L. That’s a difference of about 65 L.

When it comes to payload, the Rolls-Royce Cullinan carries noticeably more – 840 kg compared to 575 kg. That’s a difference of about 265 kg.

Who wins the race in the data check?

The Mercedes GLC 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 £50,300
GLC

Mercedes GLC

  • Engine Type Diesel MHEV, Plug-in Hybrid, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 186 - 472 HP
  • Consumption L/100km 1.6 - 9.4 L/100km
  • Electric Range 122 - 128 km
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Frequently compared as well

Mercedes GLC
Volvo EX60
VS
The Mercedes GLC and the Volvo EX60 take different approaches to the premium compact SUV segment: the GLC leans on refined ride, traditional luxury and a choice of petrol, mild-hybrid or plug-in options, while the EX60 emphasizes all-electric power, minimalist Scandinavian design and advanced …
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Omoda 9
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Mercedes GLC
Rolls-Royce Cullinan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLC

The Mercedes GLC blends quiet refinement with premium materials to create a comfortable, modern cabin that feels more upscale than its size might suggest. It delivers composed handling and confident on-road manners while offering practical versatility and a strong suite of driver assistance and infotainment features.

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Reviews Mercedes GLC

4.4 (16 Reviews)
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Overall feedback tends to present the GLC as a genuinely premium, well‑engineered SUV that feels special to drive and delivers notable comfort and efficiency, particularly with air suspension. Owners often praise the ride, refinement and perceived engineering quality, while others point out high purchase and running costs and report hidden or costly faults; a few also question whether the technology fully justifies the price. Because comments are fairly brief and somewhat mixed, clear patterns on long‑term reliability and value aren’t fully consistent so far.
Józef
6 Aug 2026, 16:38:33

With air suspension it's very comfortable, pleasant to drive and economical.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
David
23 Jul 2026, 09:55:25

There's no comparison: Mercedes has spent 140 years creating genuine marvels of automotive engineering, while ZEEKR has been around for, at most, four years — they can't be compared.

Zede
10 May 2026, 20:12:35

Too expensive! To justify it with technology that's equal or inferior.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Marek
2 Jan 2026, 18:32:30

There’s something about a Mercedes — you have to take it for a spin to feel it and understand why it’s special.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Borstel
11 Nov 2025, 12:56:07

I drive both cars. The GLC is more expensive and has some hidden defects that quickly end up costing a lot.

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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Frequently compared as well

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The Rolls-Royce Cullinan and the Rolls-Royce Phantom are two expressions of ultimate luxury: the Cullinan delivers SUV practicality and a commanding presence with genuine off‑road ability, while the Phantom is the definitive full‑size saloon built around serene, chauffeur‑focused comfort and …
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Mercedes GLC
Rolls-Royce Cullinan

Costs and Consumption
Price
50,300 - 82,100 £
Price
275,400 - 324,600 £
Consumption L/100km
1.6 - 9.4 L/100km
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
122 - 128 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
41 - 214 g/km
co2
363 - 380 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,985 - 2,400 kg
Curb weight
2,660 kg
Trunk capacity
390 - 620 L
Trunk capacity
555 L
Length
-
Length
-
Width
1,890 - 1,920 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 575 kg
Payload
840 kg

Engine and Performance
Engine Type
Diesel MHEV, Plug-in Hybrid, Petrol 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
186 - 472 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.2 - 9 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
380 - 750 Nm
Torque
850 - 900 Nm
Number of Cylinders
4 - 6
Number of Cylinders
12
Power kW
137 - 347 kW
Power kW
420 - 441 kW
Engine capacity
1,993 - 2,999 cm3
Engine capacity
6,749 cm3

General
Model Year
2,025 - 2,026
Model Year
2024
CO2 Efficiency Class
D, B, E, F, G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Rolls-Royce
Is the Mercedes GLC offered with different drivetrains?

Available configurations include 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.