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Mercedes GLB vs Peugeot 508 - Differences and prices compared

Compare performance (354 HP vs 360 HP), boot space and price (50600 £ vs 44600 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Peugeot 508?

Mercedes GLB

3.2 (3 Reviews)
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Peugeot 508

4.9 (2 Reviews)
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Here’s where it gets real: The technical differences in detail

GLB

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Peugeot 508 has a a bit advantage in terms of price – it starts at 44600 £ , while the Mercedes GLB costs 50600 £ . That’s a price difference of around 6041 £.

As for electric range, the Mercedes GLB performs convincingly better – achieving up to 631 km, about 576 km more than the Peugeot 508.

508

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 Peugeot 508 has a slight edge – offering 360 HP compared to 354 HP. That’s roughly 6 HP more horsepower.

In acceleration from 0 to 100 km/h, the Peugeot 508 is barely noticeable quicker – completing the sprint in 5.20 s, while the Mercedes GLB takes 5.50 s. That’s about 0.30 s faster.

There’s also a difference in torque: Peugeot 508 pulls barely noticeable stronger with 520 Nm compared to 515 Nm. That’s about 5 Nm difference.

GLB

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 curb weight, Peugeot 508 is clearly perceptible lighter – 1811 kg compared to 2200 kg. The difference is around 389 kg.

In terms of boot space, the Mercedes GLB offers slight more room – 540 L compared to 487 L. That’s a difference of about 53 L.

When it comes to payload, Mercedes GLB minimal takes the win – 500 kg compared to 469 kg. That’s a difference of about 31 kg.

Who wins the race in the data check?

The Mercedes GLB 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.

Mercedes GLB
Peugeot 508

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh
  • Electric Range : 614 - 631 km
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Mercedes GLB

3.2 (3 Reviews)
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The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Peugeot 508

4.9 (2 Reviews)
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The Peugeot 508 turns heads with a low-slung, almost coupe-like silhouette and a cabin that feels grown-up and surprisingly premium for the money. On the road it balances comfort and poise with a playful edge, making it a convincing choice for buyers who want something stylish and sensible without shouting for attention.

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Reviews Mercedes GLB

3.2 (3 Reviews)
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Reviews Peugeot 508

4.9 (2 Reviews)
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Mercedes GLB
Peugeot 508

Costs and Consumption
Price
50600 - 62400 £
Price
44600 - 60800 £
Consumption L/100km
-
Consumption L/100km
1.6 - 2 L
Consumption kWh/100km
15.8 - 15.9 kWh
Consumption kWh/100km
-
Electric Range
614 - 631 km
Electric Range
46 - 55 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
36 - 45 g/km
Fuel tank capacity
-
Fuel tank capacity
43 L

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2200 - 2280 kg
Curb weight
1811 - 1941 kg
Trunk capacity
540 L
Trunk capacity
487 L
Length
-
Length
4750 mm
Width
1861 mm
Width
1859 mm
Height
-
Height
1403 mm
Max trunk capacity
-
Max trunk capacity
1537 L
Payload
500 kg
Payload
379 - 469 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
272 - 354 HP
Power HP
180 - 360 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
5.2 - 8.2 s
Max Speed
-
Max Speed
230 - 250 km/h
Torque
335 - 515 Nm
Torque
360 - 520 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
200 - 260 kW
Power kW
133 - 265 kW
Engine capacity
-
Engine capacity
1598 cm3

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
B
Brand
Mercedes-Benz
Brand
Peugeot

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What drivetrain options does the Mercedes GLB have?

Available configurations include Rear-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.