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Mercedes B Class vs Subaru BRZ comparison

Compare performance (238 HP vs 235 HP), boot space and price (33,100 £ vs 36,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Subaru BRZ?

Mercedes B Class vs Subaru BRZ: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • marginally cheaper
  • only slightly more power
  • significantly more efficient
  • significantly more trunk space
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Subaru BRZ

  • only slightly quicker 0–100 km/h
  • somewhat lighter
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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.

By Achim Sedelmaier

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

B Class

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 marginally cheaper – starting at 33,100 £ , while the Subaru BRZ costs 36,000 £ . That’s a price difference of around 2,862 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is significantly more efficient than the Subaru BRZ with 8.8 L/100km. The difference is about 3.7 L/100km.

BRZ

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 Mercedes B Class offers only slightly more power – delivering 238 HP compared to 235 HP. That’s roughly 3 HP more horsepower.

When accelerating from 0 to 100 km/h, the Subaru BRZ is only slightly quicker – completing the sprint in 6.3 s, while the Mercedes B Class takes 6.5 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers markedly more torque with 400 Nm compared to 250 Nm. That’s about 150 Nm more.

B Class

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, Subaru BRZ is somewhat lighter – 1,275 kg compared to 1,405 kg. The difference is around 130 kg.

Looking at boot space, the Mercedes B Class offers significantly more boot space – 455 L compared to 237 L. That’s a difference of about 218 L.

When it comes to payload, the Mercedes B Class carries markedly more – 550 kg compared to 404 kg. That’s a difference of about 146 kg.

Who wins the race in the data check?

The Mercedes B Class 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 £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
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Frequently compared as well

Mercedes A Class
Mercedes B Class
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The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Mercedes B Class
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Mercedes B Class
Subaru BRZ

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.

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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

Subaru BRZ

The Subaru BRZ is a pure driver's car — lightweight, balanced and joyfully communicative, turning every twisty back road into an invitation to grin. It doesn’t hide behind flashy tech or brute power; instead it delivers razor-sharp handling and honest feedback, making it a brilliant choice for anyone who wants driving to feel like fun again.

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Reviews Subaru BRZ

No reviews yet. Share your experience and help others decide.

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Mercedes B Class
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Mercedes B Class
Subaru BRZ

Costs and Consumption
Price
33,100 - 52,500 £
Price
36,000 - 38,600 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
8.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
199 - 200 g/km
Fuel tank capacity
-
Fuel tank capacity
50 L

Dimensions and Body
Body Type
MPV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,405 - 1,565 kg
Curb weight
1,275 - 1,296 kg
Trunk capacity
445 - 455 L
Trunk capacity
237 L
Length
-
Length
4,265 mm
Width
1,796 mm
Width
1,775 mm
Height
-
Height
1,310 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
395 - 404 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
116 - 238 HP
Power HP
235 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
6.3 - 6.9 s
Max Speed
-
Max Speed
216 - 226 km/h
Torque
200 - 400 Nm
Torque
250 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
172 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,387 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Subaru
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.