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Mercedes GLB vs Peugeot 408 comparison
Compare performance (354 HP vs 240 HP), boot space and price (43,200 £ vs 35,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Peugeot 408?
Mercedes GLB vs Peugeot 408: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
GLB
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.
Peugeot 408 is markedly cheaper – starting at 35,100 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 8,080 £.
Fuel consumption also shows a difference: the Peugeot 408 uses 2.6 L/100km and is substantially more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 3.1 L/100km.
In terms of energy consumption, the Peugeot 408 is very slightly more efficient: consuming 14.7 kWh/100km compared to 15.4 kWh/100km for the Mercedes GLB. That’s a difference of about 0.7 kWh/100km.
As for electric range, the Mercedes GLB offers markedly more range – reaching up to 631 km, about 175 km more than the Peugeot 408.
408
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 GLB offers markedly more power – delivering 354 HP compared to 240 HP. That’s roughly 114 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes GLB is markedly quicker – completing the sprint in 5.5 s, while the Peugeot 408 takes 7.2 s. That’s about 1.7 s quicker.
There’s also a difference in torque: the Mercedes GLB delivers markedly more torque with 515 Nm compared to 360 Nm. That’s about 155 Nm more.
GLB
Space and Everyday Use:
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Both vehicles offer seating for 5 people.
In terms of curb weight, Peugeot 408 is somewhat lighter – 1,544 kg compared to 1,840 kg. The difference is around 296 kg.
When it comes to payload, the Mercedes GLB carries only slightly more – 505 kg compared to 456 kg. That’s a difference of about 49 kg.
Who wins the race in the data check?
The Peugeot 408 holds a slight edge 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 £35,100
Peugeot 408
Mercedes GLB
Peugeot 408
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Mercedes GLB
The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.
details
Peugeot 408
The Peugeot 408 blends a coupe-like roofline with practical sensibility, delivering striking looks and a surprisingly airy, premium-feeling cabin. On the road it prefers comfort and poise over manic thrills, making it a smart, stylish choice for buyers who want something a bit different from the usual family hatchback.
details
Mercedes GLB
Peugeot 408
Costs and Consumption |
|
|---|---|
|
Price
43,200 - 62,400 £
|
Price
35,100 - 48,000 £
|
|
Consumption L/100km
5.7 - 6.1 L/100km
|
Consumption L/100km
2.6 - 5 L/100km
|
|
Consumption kWh/100km
15.4 - 15.9 kWh/100km
|
Consumption kWh/100km
14.7 kWh/100km
|
|
Electric Range
431 - 631 km
|
Electric Range
79 - 456 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
0 - 138 g/km
|
co2
0 - 114 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
SUV
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,840 - 2,280 kg
|
Curb weight
1,544 - 1,879 kg
|
|
Trunk capacity
540 L
|
Trunk capacity
-
|
|
Length
-
|
Length
-
|
|
Width
1,861 mm
|
Width
1,848 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
485 - 505 kg
|
Payload
371 - 456 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric, Full Hybrid
|
Engine Type
Petrol MHEV, Plugin Hybrid, Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
|
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
|
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
Drive Type
Front-Wheel Drive
|
|
Power HP
156 - 354 HP
|
Power HP
145 - 240 HP
|
|
Acceleration 0-100km/h
5.5 - 9.7 s
|
Acceleration 0-100km/h
7.2 - 9.4 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
280 - 515 Nm
|
Torque
230 - 360 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
3 - 4
|
|
Power kW
115 - 260 kW
|
Power kW
107 - 176 kW
|
|
Engine capacity
1,499 cm3
|
Engine capacity
1,199 - 1,598 cm3
|
General |
|
|---|---|
|
Model Year
2026
|
Model Year
2026
|
|
CO2 Efficiency Class
A, D, E
|
CO2 Efficiency Class
C, B, A
|
|
Brand
Mercedes-Benz
|
Brand
Peugeot
|
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.