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Mercedes B Class vs Peugeot 308 comparison

Compare performance (238 HP vs 195 HP), boot space and price (33,100 £ vs 29,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Peugeot 308?

Mercedes B Class vs Peugeot 308: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • slightly more power
  • a bit quicker 0–100 km/h
  • only slightly lighter
  • only slightly more trunk space
details

Peugeot 308

5 (2 Reviews)
rate
  • moderately cheaper
  • substantially more efficient
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.

Peugeot 308 is moderately cheaper – starting at 29,200 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 3,892 £.

Fuel consumption also shows a difference: the Peugeot 308 uses 2.3 L/100km and is substantially more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 2.8 L/100km.

308

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 slightly more power – delivering 238 HP compared to 195 HP. That’s roughly 43 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is a bit quicker – completing the sprint in 6.5 s, while the Peugeot 308 takes 7.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers visibly more torque with 400 Nm compared to 300 Nm. That’s about 100 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is only slightly lighter – 1,405 kg compared to 1,453 kg. The difference is around 48 kg.

Looking at boot space, the Mercedes B Class offers only slightly more boot space – 455 L compared to 412 L. That’s a difference of about 43 L.

When it comes to payload, the Mercedes B Class carries barely more – 550 kg compared to 503 kg. That’s a difference of about 47 kg.

Who wins the race in the data check?

The Peugeot 308 holds a decisive overall lead 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 £29,200
308

Peugeot 308

  • Engine Type : Petrol MHEV, Diesel, Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 131 - 195 HP
  • Consumption L/100km : 2.3 - 5.1 L/100km
  • Consumption kWh/100km : 15.6 kWh/100km
  • Electric Range : 81 - 450 km
details

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Mercedes B Class
Peugeot 308

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
18C0947_011
18C0947_009
18C0953_005
18C0953_035
18C0947_044

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

Peugeot 308

The Peugeot 308 brings a sleek, feline profile and an unexpectedly upscale cabin, with clever packaging and materials that feel a touch more premium than you might expect. It’s composed on the road, easy to live with for daily life, and a smart choice if you want a stylish hatch that still behaves when the road gets interesting.

details
PEUGEOT_308_TESTDRIVE_0921TC 285
PEUGEOT_308_TESTDRIVE_0921TC 243
PEUGEOT_308_TESTDRIVE_0921TC 237
PEUGEOT_308_TESTDRIVE_0921TC 234
PEUGEOT_308_TESTDRIVE_0921TC 222
PEUGEOT_308_TESTDRIVE_0921TC 322

Reviews Peugeot 308

5 (2 Reviews)
rate

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

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Mercedes B Class
Peugeot 308

Costs and Consumption
Price
33,100 - 52,500 £
Price
29,200 - 42,600 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
2.3 - 5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.6 kWh/100km
Electric Range
-
Electric Range
81 - 450 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 - 133 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
1,453 - 1,749 kg
Trunk capacity
445 - 455 L
Trunk capacity
314 - 412 L
Length
-
Length
-
Width
1,796 mm
Width
1,852 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
430 - 503 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
131 - 195 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
7.6 - 10.6 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
230 - 300 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 175 kW
Power kW
96 - 144 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
C, D, B, A
Brand
Mercedes-Benz
Brand
Peugeot
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.