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Mercedes GLA vs Peugeot 408 comparison

Compare performance (421 HP vs 225 HP), boot space and price (38,800 £ vs 35,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Peugeot 408?

Mercedes GLA vs Peugeot 408: Key differences

Mercedes GLA

4.6 (3 Reviews)
rate
  • substantially more power
  • significantly quicker 0–100 km/h
details

Peugeot 408

4.9 (1 Reviews)
rate
  • moderately cheaper
  • marginally more efficient
  • considerably more electric range
  • barely lighter
  • moderately more trunk space
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

GLA

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Peugeot 408 is moderately cheaper – starting at 35,100 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 3,719 £.

Fuel consumption also shows a difference: the Peugeot 408 uses 2.7 L/100km and is marginally more efficient than the Mercedes GLA with 2.9 L/100km. The difference is about 0.2 L/100km.

As for electric range, the Peugeot 408 offers considerably more range – reaching up to 455 km, about 381 km more than the Mercedes GLA.

408

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLA offers substantially more power – delivering 421 HP compared to 225 HP. That’s roughly 196 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is significantly quicker – completing the sprint in 4.3 s, while the Peugeot 408 takes 7.2 s. That’s about 2.9 s quicker.

Looking at top speed, the Peugeot 408 is very slightly faster – reaching 233 km/h, while the Mercedes GLA tops out at 210 km/h. The difference is around 23 km/h.

There’s also a difference in torque: the Mercedes GLA delivers clearly more torque with 500 Nm compared to 360 Nm. That’s about 140 Nm more.

GLA

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, Peugeot 408 is barely lighter – 1,544 kg compared to 1,570 kg. The difference is around 26 kg.

Looking at boot space, the Peugeot 408 offers moderately more boot space – 536 L compared to 435 L. That’s a difference of about 101 L.

For maximum load capacity, the Peugeot 408 offers moderately more capacity – up to 1,583 L, about 198 L more than the Mercedes GLA.

When it comes to payload, the Mercedes GLA carries only slightly more – 500 kg compared to 456 kg. That’s a difference of about 44 kg.

Who wins the race in the data check?

The Peugeot 408 is decisively ahead 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
408

Peugeot 408

  • Engine Type : Electric, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 145 - 225 HP
  • Consumption L/100km : 2.7 - 5.1 L/100km
  • Consumption kWh/100km : 14.8 kWh/100km
  • Electric Range : 79 - 455 km
details

Frequently compared as well

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The Peugeot 3008 is the clever compact SUV with a raised stance and family-friendly practicality, while the Peugeot 408 slips into crossover-coupe territory with sleeker lines and a more road-focused ride. Choose the 3008 for sensible versatility and roomy practicality, or the 408 if you crave …
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Peugeot 408

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLA

The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.6 (3 Reviews)
rate
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

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
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

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 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
PEUGEOT_408_TESTDRIVE_2211TC523
PEUGEOT_408_TESTDRIVE_2211TC516
PEUGEOT_408_TESTDRIVE_2211TC519
PEUGEOT_408_TESTDRIVE_2211TC522
PEUGEOT_408_TESTDRIVE_2211TC032

Reviews Peugeot 408

4.9 (1 Reviews)
rate
Klaudia
15 Jan 2026, 19:46:29

This is one of the most beautiful cars of our time, in an era when every brand churns out cookie‑cutter models — as long as they look like an SUV. It's comfortable, incredibly spacious, picks up nicely on the road and always makes a great impression everywhere ;)

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

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Mercedes GLA
Peugeot 408

Costs and Consumption
Price
38,800 - 75,300 £
Price
35,100 - 48,000 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
2.7 - 5.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.8 kWh/100km
Electric Range
74 km
Electric Range
79 - 455 km
Battery Capacity
12.9 kWh
Battery Capacity
58.2 kWh
co2
66 - 216 g/km
co2
0 - 114 g/km
Fuel tank capacity
35 L
Fuel tank capacity
42 - 52 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,570 - 1,810 kg
Curb weight
1,544 - 1,879 kg
Trunk capacity
385 - 435 L
Trunk capacity
471 - 536 L
Length
4,412 mm
Length
4,687 mm
Width
1,834 - 1,849 mm
Width
1,848 mm
Height
1,616 mm
Height
1,478 mm
Max trunk capacity
1,385 L
Max trunk capacity
1,528 - 1,583 L
Payload
480 - 500 kg
Payload
371 - 456 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Engine Type
Electric, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 421 HP
Power HP
145 - 225 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
7.2 - 9.4 s
Max Speed
210 km/h
Max Speed
160 - 233 km/h
Torque
230 - 500 Nm
Torque
230 - 360 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 310 kW
Power kW
107 - 165 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
B, E, F, G
CO2 Efficiency Class
A, C, B
Brand
Mercedes-Benz
Brand
Peugeot
Is the Mercedes GLA offered with different drivetrains?

The Mercedes GLA is available as 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.