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CUPRA Formentor vs Mercedes B Class comparison

Compare performance (390 HP vs 238 HP), boot space and price (35,200 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – CUPRA Formentor or Mercedes B Class?

CUPRA Formentor vs Mercedes B Class: Key differences

CUPRA Formentor

4.9 (2 Reviews)
rate
  • markedly more power
  • significantly more efficient
  • markedly more electric range
  • significantly quicker 0–100 km/h

Mercedes B Class

4.9 (5 Reviews)
rate
  • very slightly cheaper
  • very slightly lighter
  • very slightly more trunk space

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:

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

Mercedes B Class is very slightly cheaper – starting at 33,100 £ , while the CUPRA Formentor costs 35,200 £ . That’s a price difference of around 2,112 £.

Fuel consumption also shows a difference: the CUPRA Formentor uses 1.4 L/100km and is significantly more efficient than the Mercedes B Class with 2.5 L/100km. The difference is about 1.1 L/100km.

As for electric range, the CUPRA Formentor offers markedly more range – reaching up to 126 km, about 43 km more than the Mercedes B Class.

B 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 CUPRA Formentor offers markedly more power – delivering 390 HP compared to 238 HP. That’s roughly 152 HP more horsepower.

When accelerating from 0 to 100 km/h, the CUPRA Formentor is significantly quicker – completing the sprint in 4.2 s, while the Mercedes B Class takes 6.5 s. That’s about 2.3 s quicker.

Looking at top speed, the CUPRA Formentor is moderately faster – reaching 250 km/h, while the Mercedes B Class tops out at 223 km/h. The difference is around 27 km/h.

There’s also a difference in torque: the CUPRA Formentor delivers marginally more torque with 480 Nm compared to 450 Nm. That’s about 30 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, Mercedes B Class is very slightly lighter – 1,405 kg compared to 1,434 kg. The difference is around 29 kg.

Looking at boot space, the Mercedes B Class offers very slightly more boot space – 455 L compared to 450 L. That’s a difference of about 5 L.

For maximum load capacity, the CUPRA Formentor offers only slightly more capacity – up to 1,505 L, about 65 L more than the Mercedes B Class.

When it comes to payload, the Mercedes B Class carries very slightly more – 550 kg compared to 526 kg. That’s a difference of about 24 kg.

Who wins the race in the data check?

The CUPRA Formentor 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 £35,200
Formentor

CUPRA Formentor

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

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

CUPRA Formentor

With coupe-like lines and a muscular stance the Cupra Formentor blends sporty drama with everyday sense, so it looks like it’s in motion even at a standstill. Inside and out it’s tuned for drivers who want engaging handling and a grown-up cabin — practical enough for daily life, playful enough to make the commute feel like a short track session.

details

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

details
CUPRA Formentor
Mercedes B Class

Costs and Consumption

Price
35,200 - 62,500 £
Price
33,100 - 52,500 £
Consumption L/100km
1.4 - 10.1 L/100km
Consumption L/100km
2.5 - 6.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
117 - 126 km
Electric Range
83 km
Battery Capacity
19.7 kWh
Battery Capacity
12.9 kWh
co2
32 - 229 g/km
co2
56 - 156 g/km
Fuel tank capacity
40 - 55 L
Fuel tank capacity
35 L

Dimensions and Body

Body Type
SUV
Body Type
MPV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,434 - 1,742 kg
Curb weight
1,405 - 1,745 kg
Trunk capacity
345 - 450 L
Trunk capacity
405 - 455 L
Length
4,451 mm
Length
4,419 mm
Width
1,839 - 1,852 mm
Width
1,796 mm
Height
1,511 - 1,537 mm
Height
1,562 mm
Max trunk capacity
1,415 - 1,505 L
Max trunk capacity
1,440 L
Payload
439 - 526 kg
Payload
505 - 550 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
150 - 390 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
4.2 - 9 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
210 - 250 km/h
Max Speed
223 km/h
Torque
250 - 480 Nm
Torque
200 - 450 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
110 - 287 kW
Power kW
85 - 175 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,332 - 1,991 cm3

General

Model Year
2,024 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, E, D, F, B
CO2 Efficiency Class
B, D, E, 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.