Compare performance (238 HP vs 530 HP), boot space and price (33,100 £ vs 46,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or BMW 4 Series Coupe?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
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.
Mercedes B Class is markedly cheaper – starting at 33,100 £ , while the BMW 4 Series Coupe costs 46,200 £ . That’s a price difference of around 13,071 £.
Fuel consumption also shows a difference: the BMW 4 Series Coupe uses 4.8 L/100km and is barely more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 0.3 L/100km.
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 BMW 4 Series Coupe offers clearly more power – delivering 530 HP compared to 238 HP. That’s roughly 292 HP more horsepower.
When accelerating from 0 to 100 km/h, the BMW 4 Series Coupe is significantly quicker – completing the sprint in 3.5 s, while the Mercedes B Class takes 6.5 s. That’s about 3 s quicker.
There’s also a difference in torque: the BMW 4 Series Coupe delivers considerably more torque with 700 Nm compared to 400 Nm. That’s about 300 Nm more.
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Seats: Mercedes B Class offers more seats – 5 vs 4.
In terms of curb weight, Mercedes B Class is somewhat lighter – 1,405 kg compared to 1,600 kg. The difference is around 195 kg.
Looking at boot space, the Mercedes B Class offers only slightly more boot space – 455 L compared to 440 L. That’s a difference of about 15 L.
When it comes to payload, the Mercedes B Class carries noticeably more – 550 kg compared to 415 kg. That’s a difference of about 135 kg.
The BMW 4 Series Coupe is decisively 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.
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.
detailsThe BMW 4 Series Coupe blends aggressive styling with a driver-focused cabin, making even the humdrum commute feel like a short track day. It balances sharp handling and grown-up comfort with a dash of theatrical flair, so you get sportscar charisma without the drama of constant sacrifices.
detailsCosts and Consumption |
|
|---|---|
|
Price
33,100 - 52,500 £
|
Price
46,200 - 93,900 £
|
|
Consumption L/100km
5.1 - 6.9 L/100km
|
Consumption L/100km
4.8 - 10 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
133 - 156 g/km
|
co2
126 - 226 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
MPV
|
Body Type
Coupe
|
|
Seats
5
|
Seats
4
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,405 - 1,565 kg
|
Curb weight
1,600 - 1,895 kg
|
|
Trunk capacity
445 - 455 L
|
Trunk capacity
440 L
|
|
Length
-
|
Length
-
|
|
Width
1,796 mm
|
Width
1,852 - 1,887 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
515 - 550 kg
|
Payload
355 - 415 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel
|
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
|
|
Transmission
Automatic
|
Transmission
Automatic, Manuel
|
|
Transmission Detail
Dual-Clutch Automatic
|
Transmission Detail
Automatic Gearbox, Manual Gearbox
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
116 - 238 HP
|
Power HP
184 - 530 HP
|
|
Acceleration 0-100km/h
6.5 - 10 s
|
Acceleration 0-100km/h
3.5 - 7.5 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
200 - 400 Nm
|
Torque
300 - 700 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
4 - 6
|
|
Power kW
85 - 175 kW
|
Power kW
135 - 390 kW
|
|
Engine capacity
1,332 - 1,991 cm3
|
Engine capacity
1,995 - 2,998 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2,024 - 2,025
|
|
CO2 Efficiency Class
D, E, F
|
CO2 Efficiency Class
D, E, F, G
|
|
Brand
Mercedes-Benz
|
Brand
BMW
|