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BMW 4 Series Coupe vs Mercedes B Class comparison
Compare performance (530 HP vs 238 HP), boot space and price (45,700 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Coupe or Mercedes B Class?
4 Series Coupe
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.
Mercedes B Class is clearly cheaper – starting at 33,100 £ , while the BMW 4 Series Coupe costs 45,700 £ . That’s a price difference of around 12,556 £.
Fuel consumption also shows a difference: the Mercedes B Class uses 2.5 L/100km and is clearly more efficient than the BMW 4 Series Coupe with 4.8 L/100km. The difference is about 2.3 L/100km.
B Class
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 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 considerably quicker – completing the sprint in 3.5 s, while the Mercedes B Class takes 6.5 s. That’s about 3 s quicker.
Looking at top speed, the BMW 4 Series Coupe 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 BMW 4 Series Coupe delivers clearly more torque with 700 Nm compared to 450 Nm. That’s about 250 Nm more.
4 Series Coupe
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.
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 very 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 markedly more – 550 kg compared to 415 kg. That’s a difference of about 135 kg.
Who wins the race in the data check?
The BMW 4 Series Coupe comes out modestly 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 £45,700
BMW 4 Series Coupe
BMW 4 Series Coupe
Mercedes B Class
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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BMW 4 Series Coupe
The 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.
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
BMW 4 Series Coupe
Mercedes B Class
Costs and Consumption |
|
|---|---|
|
Price
45,700 - 92,700 £
|
Price
33,100 - 52,500 £
|
|
Consumption L/100km
4.8 - 10 L/100km
|
Consumption L/100km
2.5 - 6.9 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
83 km
|
|
Battery Capacity
-
|
Battery Capacity
12.9 kWh
|
|
co2
126 - 226 g/km
|
co2
56 - 156 g/km
|
|
Fuel tank capacity
59 L
|
Fuel tank capacity
35 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Coupe
|
Body Type
MPV
|
|
Seats
4
|
Seats
5
|
|
Doors
2
|
Doors
5
|
|
Curb weight
1,600 - 1,895 kg
|
Curb weight
1,405 - 1,745 kg
|
|
Trunk capacity
440 L
|
Trunk capacity
405 - 455 L
|
|
Length
4,768 - 4,770 mm
|
Length
4,419 mm
|
|
Width
1,852 - 1,887 mm
|
Width
1,796 mm
|
|
Height
1,383 - 1,393 mm
|
Height
1,562 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1,440 L
|
|
Payload
355 - 415 kg
|
Payload
505 - 550 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
|
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
|
|
Transmission
Automatic, Manuel
|
Transmission
Automatic
|
|
Transmission Detail
Automatic Gearbox, Manual Gearbox
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Transmission Detail
Dual-Clutch Automatic
|
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
|
Power HP
184 - 530 HP
|
Power HP
116 - 238 HP
|
|
Acceleration 0-100km/h
3.5 - 7.5 s
|
Acceleration 0-100km/h
6.5 - 10 s
|
|
Max Speed
238 - 250 km/h
|
Max Speed
223 km/h
|
|
Torque
300 - 700 Nm
|
Torque
200 - 450 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
4
|
|
Power kW
135 - 390 kW
|
Power kW
85 - 175 kW
|
|
Engine capacity
1,995 - 2,998 cm3
|
Engine capacity
1,332 - 1,991 cm3
|
General |
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|---|---|
|
Model Year
2,024 - 2,025
|
Model Year
2,024 - 2,025
|
|
CO2 Efficiency Class
D, E, F, G
|
CO2 Efficiency Class
B, D, E, F
|
|
Brand
BMW
|
Brand
Mercedes-Benz
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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.