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Mercedes S Class vs Rolls-Royce Cullinan comparison

Compare performance (635 HP vs 600 HP), boot space and price (104,000 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes S Class or Rolls-Royce Cullinan?

Mercedes S Class vs Rolls-Royce Cullinan: Key differences

Mercedes S Class

  • substantially cheaper
  • only slightly more power
  • substantially more efficient
  • visibly quicker 0–100 km/h
  • clearly lighter
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Rolls-Royce Cullinan

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By Achim Sedelmaier

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

S Class

Costs and Efficiency:

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

Mercedes S Class is substantially cheaper – starting at 104,000 £ , while the Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 171,381 £.

Fuel consumption also shows a difference: the Mercedes S Class uses 2.2 L/100km and is substantially more efficient than the Rolls-Royce Cullinan with 16 L/100km. The difference is about 13.8 L/100km.

Cullinan

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes S Class offers only slightly more power – delivering 635 HP compared to 600 HP. That’s roughly 35 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S Class is visibly quicker – completing the sprint in 4 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 0.9 s quicker.

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

S Class

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 S Class is clearly lighter – 2,165 kg compared to 2,660 kg. The difference is around 495 kg.

When it comes to payload, the Rolls-Royce Cullinan carries clearly more – 840 kg compared to 660 kg. That’s a difference of about 180 kg.

Who wins the race in the data check?

The Mercedes S Class 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 £104,000
S Class

Mercedes S Class

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 336 - 635 HP
  • Consumption L/100km : 2.2 - 11 L/100km
  • Electric Range : 98 - 118 km
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Frequently compared as well

Rolls-Royce Cullinan
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Mercedes E Class
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Mercedes S Class
Rolls-Royce Cullinan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes S Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S Class

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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
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Mercedes S Class
Rolls-Royce Cullinan

Costs and Consumption
Price
104,000 - 201,400 £
Price
275,400 - 324,600 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
98 - 118 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
50 - 252 g/km
co2
363 - 380 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,165 - 2,650 kg
Curb weight
2,660 kg
Trunk capacity
-
Trunk capacity
555 L
Length
-
Length
-
Width
1,921 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 660 kg
Payload
840 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 635 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
560 - 850 Nm
Torque
850 - 900 Nm
Number of Cylinders
6 - 8
Number of Cylinders
12
Power kW
247 - 467 kW
Power kW
420 - 441 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
6,749 cm3

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Rolls-Royce
Is the Mercedes S Class offered with different drivetrains?

The Mercedes S Class is offered with All-Wheel Drive or Rear-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.