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@ Peugeot / Stellantis Media
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Mercedes B Class vs Peugeot 308 - Differences and prices compared

Compare performance (238 HP vs 195 HP), boot space and price (33100 £ vs 29200 £) at a glance. Find out which car is the better choice for you – Mercedes B Class or Peugeot 308?

Mercedes B Class

5 (4 Reviews)
rate

Peugeot 308

5 (1 Reviews)
rate

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

B Class @ Mercedes-Benz Group Media

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 has a somewhat advantage in terms of price – it starts at 29200 £, while the Mercedes B Class costs 33100 £. That’s a price difference of around 3892 £.

Fuel consumption also shows a difference: Peugeot 308 manages with 2.30 L and is therefore slight more efficient than the Mercedes B Class with 2.50 L. The difference is about 0.20 L per 100 km.

As for range, the Peugeot 308 performs significantly better – achieving up to 450 km, about 367 km more than the Mercedes B Class.

308 @ Peugeot / Stellantis Media

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 has a to a small extent edge – offering 238 HP compared to 195 HP. That’s roughly 43 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes B Class is a bit quicker – completing the sprint in 6.50 s, while the Peugeot 308 takes 7.60 s. That’s about 1.10 s faster.

In terms of top speed, the Mercedes B Class performs barely noticeable better – reaching 250 km/h, while the Peugeot 308 tops out at 225 km/h. The difference is around 25 km/h.

There’s also a difference in torque: Mercedes B Class pulls noticeable stronger with 450 Nm compared to 300 Nm. That’s about 150 Nm difference.

B Class @ Mercedes-Benz Group Media

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: offers more seating capacity – vs .

In curb weight, Mercedes B Class is minimal lighter – 1405 kg compared to 1453 kg. The difference is around 48 kg.

In terms of boot space, the Mercedes B Class offers barely noticeable more room – 455 L compared to 412 L. That’s a difference of about 43 L.

In maximum load capacity, the Mercedes B Class performs a bit better – up to 1540 L, which is about 217 L more than the Peugeot 308.

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

Who comes out on top?

Overall, the Mercedes B Class shows itself to be secures victory with a clear margin and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £33,100
B Class @ Mercedes-Benz Group Media

Mercedes B Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 2.5 - 6.9 L
  • Electric Range : 83 km
details
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

5 (4 Reviews)
rate

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 @ Mercedes-Benz Group Media
18C0947_009 @ Mercedes-Benz Group Media
18C0953_005 @ Mercedes-Benz Group Media
18C0953_035 @ Mercedes-Benz Group Media
18C0947_044 @ Mercedes-Benz Group Media

Peugeot 308

5 (1 Reviews)
rate

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 / Stellantis Media
PEUGEOT_308_TESTDRIVE_0921TC 243 @ Peugeot / Stellantis Media
PEUGEOT_308_TESTDRIVE_0921TC 237 @ Peugeot / Stellantis Media
PEUGEOT_308_TESTDRIVE_0921TC 234 @ Peugeot / Stellantis Media
PEUGEOT_308_TESTDRIVE_0921TC 222 @ Peugeot / Stellantis Media
PEUGEOT_308_TESTDRIVE_0921TC 322 @ Peugeot / Stellantis Media

Reviews Mercedes B Class

5 (4 Reviews)
rate

Reviews Peugeot 308

5 (1 Reviews)
rate

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B Class @ Mercedes-Benz Group Media
308 @ Peugeot / Stellantis Media

Costs and Consumption
Price
33100 - 52500 £
Price
29200 - 42600 £
Consumption L/100km
2.5 - 6.9 L
Consumption L/100km
2.3 - 5 L
Consumption kWh/100km
-
Consumption kWh/100km
15.60 kWh
Electric Range
83 km
Electric Range
78 - 450 km
Battery Capacity
12.90 kWh
Battery Capacity
0.40 kWh
co2
56 - 156 g/km
co2
0 - 129 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
42 - 52 L

Dimensions and Body
Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1405 - 1745 kg
Curb weight
1453 - 1749 kg
Trunk capacity
405 - 455 L
Trunk capacity
314 - 412 L
Length
4419 mm
Length
4367 mm
Width
1796 mm
Width
1852 mm
Height
1562 mm
Height
1438 mm
Max trunk capacity
1440 - 1540 L
Max trunk capacity
1258 - 1323 L
Payload
505 - 550 kg
Payload
430 - 503 kg

Engine and Performance
Engine Type
Plugin Hybrid, 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
200 - 250 km/h
Max Speed
170 - 225 km/h
Torque
200 - 450 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
1332 - 1991 cm3
Engine capacity
1199 - 1598 cm3

General
Model Year
2024 - 2025
Model Year
2025
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
C, D, B, A
Brand
Mercedes-Benz
Brand
Peugeot

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What drivetrain options does the Mercedes B Class have?

The Mercedes B Class is offered with Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.