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Mercedes B Class vs Mitsubishi ASX comparison

Compare performance (238 HP vs 158 HP), boot space and price (33,100 £ vs 21,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Mitsubishi ASX?

Mercedes B Class vs Mitsubishi ASX: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • visibly more power
  • markedly quicker 0–100 km/h
details

Mitsubishi ASX

4.9 (2 Reviews)
rate
  • substantially cheaper
  • a bit more efficient
  • very slightly lighter
  • very slightly more trunk space
details

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

B Class

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mitsubishi ASX is substantially cheaper – starting at 21,800 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 11,367 £.

Fuel consumption also shows a difference: the Mitsubishi ASX uses 4.3 L/100km and is a bit more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 0.8 L/100km.

ASX

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 B Class offers visibly more power – delivering 238 HP compared to 158 HP. That’s roughly 80 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is markedly quicker – completing the sprint in 6.5 s, while the Mitsubishi ASX takes 8.9 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers noticeably more torque with 400 Nm compared to 245 Nm. That’s about 155 Nm more.

B 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, Mitsubishi ASX is very slightly lighter – 1,296 kg compared to 1,405 kg. The difference is around 109 kg.

Looking at boot space, the Mitsubishi ASX offers very slightly more boot space – 484 L compared to 455 L. That’s a difference of about 29 L.

When it comes to payload, the Mercedes B Class carries a bit more – 550 kg compared to 445 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The Mercedes B Class comes out clearly ahead 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 £33,100
B Class

Mercedes B Class

  • Engine Type Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 238 HP
  • Consumption L/100km 5.1 - 6.9 L/100km
details

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Mercedes B Class
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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
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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

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

Mitsubishi ASX

The Mitsubishi ASX is a compact crossover that mixes practicality with a no-nonsense personality, making it an easy choice for buyers who want sensible space without the showroom theatrics. It won't set your pulse racing, but its composed ride and user-friendly kit make it a dependable companion for daily errands and weekend escapes — reliable rather than flashy.

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Reviews Mitsubishi ASX

4.9 (2 Reviews)
rate
Jaca
15 Apr 2026, 15:55:53

A super-sporty compact crossover — raised ground clearance, drives light and enjoyable, very pleasant, well-insulated interior. Perfect size of car for me.

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

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Mercedes B Class
Mitsubishi ASX

Costs and Consumption
Price
33,100 - 52,500 £
Price
21,800 - 32,700 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
4.3 - 6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
99 - 136 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
1,296 - 1,493 kg
Trunk capacity
445 - 455 L
Trunk capacity
348 - 484 L
Length
-
Length
-
Width
1,796 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
397 - 445 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol, Petrol MHEV, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
115 - 158 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
8.9 - 12.3 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
190 - 245 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 175 kW
Power kW
84 - 116 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,199 - 1,789 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
D, E, C
Brand
Mercedes-Benz
Brand
Mitsubishi
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-Wheel Drive or 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.