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CUPRA Formentor vs Mercedes S-Class comparison

Compare performance (390 HP vs 635 HP), boot space and price (35,800 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – CUPRA Formentor or Mercedes S-Class?

CUPRA Formentor vs Mercedes S-Class: Key differences

CUPRA Formentor

4.8 (3 Reviews)
rate
  • substantially cheaper
  • significantly more efficient
  • barely more electric range
  • substantially lighter
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Mercedes S-Class

  • visibly more power
  • marginally quicker 0–100 km/h
  • slightly 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.

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

Formentor

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.

CUPRA Formentor is substantially cheaper – starting at 35,800 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 68,268 £.

Fuel consumption also shows a difference: the CUPRA Formentor uses 1.4 L/100km and is significantly more efficient than the Mercedes S-Class with 2.2 L/100km. The difference is about 0.8 L/100km.

As for electric range, the CUPRA Formentor offers barely more range – reaching up to 126 km, about 8 km more than the Mercedes S-Class.

S-Class

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 S-Class offers visibly more power – delivering 635 HP compared to 390 HP. That’s roughly 245 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is marginally quicker – completing the sprint in 4 s, while the CUPRA Formentor takes 4.2 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers considerably more torque with 850 Nm compared to 480 Nm. That’s about 370 Nm more.

Formentor

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, CUPRA Formentor is substantially lighter – 1,434 kg compared to 2,165 kg. The difference is around 731 kg.

Looking at boot space, the Mercedes S-Class offers slightly more boot space – 530 L compared to 450 L. That’s a difference of about 80 L.

When it comes to payload, the Mercedes S-Class carries noticeably more – 660 kg compared to 526 kg. That’s a difference of about 134 kg.

Who wins the race in the data check?

The CUPRA Formentor holds a decisive overall lead 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 £35,800
Formentor

CUPRA Formentor

  • Engine Type Petrol, Petrol MHEV, Diesel, Plug-in Hybrid
  • Transmission Automatic, Manual
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 150 - 390 HP
  • Consumption L/100km 1.4 - 10.1 L/100km
  • Electric Range 117 - 126 km
CUPRA Formentor
Mercedes S-Class

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

CUPRA Formentor

The CUPRA Formentor blends sporty driving dynamics with crossover practicality, delivering sharp handling and an engaging character that makes it fun on twisty roads as well as in daily driving. Inside, it pairs a driver-focused cabin and premium materials with clever practicality, offering a confident, distinctive alternative to conventional SUVs.

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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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CUPRA Formentor
Mercedes S-Class

Costs and Consumption

Price
35,800 - 62,500 £
Price
104,000 - 201,400 £
Consumption L/100km
1.4 - 10.1 L/100km
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
117 - 126 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
32 - 229 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,434 - 1,742 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
345 - 450 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,839 - 1,852 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
439 - 526 kg
Payload
420 - 660 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel, Plug-in Hybrid
Engine Type
Petrol MHEV, Plug-in Hybrid, Diesel MHEV
Transmission
Automatic, Manual
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
150 - 390 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
4.2 - 9 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
250 - 480 Nm
Torque
560 - 850 Nm
Number of Cylinders
4 - 5
Number of Cylinders
6 - 8
Power kW
110 - 287 kW
Power kW
247 - 467 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
2,989 - 3,982 cm3

General

Model Year
2,024 - 2,026
Model Year
2026
CO2 Efficiency Class
G, E, D, F, B
CO2 Efficiency Class
G, B, F
Brand
CUPRA
Brand
Mercedes-Benz
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.