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Mercedes GLA vs Peugeot 508 SW comparison

Compare performance (421 HP vs 360 HP), boot space and price (38,800 £ vs 45,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Peugeot 508 SW?

Mercedes GLA vs Peugeot 508 SW: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • somewhat cheaper
  • moderately more power
  • clearly more electric range
  • visibly quicker 0–100 km/h
  • moderately lighter
details

Peugeot 508 SW

4.9 (3 Reviews)
rate
  • significantly more efficient
  • 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.

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

GLA

Costs and Efficiency:

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

Mercedes GLA is somewhat cheaper – starting at 38,800 £ , while the Peugeot 508 SW costs 45,600 £ . That’s a price difference of around 6,764 £.

Fuel consumption also shows a difference: the Peugeot 508 SW uses 1.7 L/100km and is significantly more efficient than the Mercedes GLA with 2.9 L/100km. The difference is about 1.2 L/100km.

As for electric range, the Mercedes GLA offers clearly more range – reaching up to 74 km, about 22 km more than the Peugeot 508 SW.

508 SW

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 GLA offers moderately more power – delivering 421 HP compared to 360 HP. That’s roughly 61 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is visibly quicker – completing the sprint in 4.3 s, while the Peugeot 508 SW takes 5.2 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Peugeot 508 SW delivers marginally more torque with 520 Nm compared to 500 Nm. That’s about 20 Nm more.

GLA

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, Mercedes GLA is moderately lighter – 1,570 kg compared to 1,846 kg. The difference is around 276 kg.

Looking at boot space, the Peugeot 508 SW offers moderately more boot space – 530 L compared to 435 L. That’s a difference of about 95 L.

When it comes to payload, the Mercedes GLA carries very slightly more – 500 kg compared to 454 kg. That’s a difference of about 46 kg.

Who wins the race in the data check?

The Peugeot 508 SW shows a few small advantages 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 £45,600
508 SW

Peugeot 508 SW

  • Engine Type Plug-in Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 180 - 360 HP
  • Consumption L/100km 1.7 - 2 L/100km
  • Electric Range 46 - 52 km
details

Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

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
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 508 SW

The Peugeot 508 SW dresses up as a sleek estate, blending Parisian flair with usable loadspace so you don't have to choose between style and weekend practicality. Inside it's a driver-focused cabin with quality materials and clever packaging that makes it a sensible, slightly mischievous choice for buyers who want an executive feel without the buttoned-up seriousness.

details
PEUGEOT_508SW_1806PB_179
PEUGEOT_508SW_1806PB_260
PEUGEOT_508SW_1806PB_103

Reviews Peugeot 508 SW

4.9 (3 Reviews)
rate
Enrico
6 Jul 2026, 10:18:10

I've owned a 508 GT SW diesel since 2022. Its design is unbeatable for elegance and sporty style, very comfortable for travelling (I'm a sales rep) and has excellent cargo capacity. It's a shame PEUGEOT has discontinued production of this splendid car — it's given me nothing but satisfaction.

How do you mainly use this car? (optional): Company car / Business
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 508 SW

Costs and Consumption
Price
38,800 - 75,300 £
Price
45,600 - 61,800 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
1.7 - 2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
74 km
Electric Range
46 - 52 km
Battery Capacity
-
Battery Capacity
-
co2
66 - 216 g/km
co2
38 - 45 g/km
Fuel tank capacity
-
Fuel tank capacity
43 L

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,570 - 1,810 kg
Curb weight
1,846 - 1,967 kg
Trunk capacity
385 - 435 L
Trunk capacity
530 L
Length
-
Length
4,778 mm
Width
1,834 - 1,849 mm
Width
1,859 mm
Height
-
Height
1,420 mm
Max trunk capacity
-
Max trunk capacity
1,780 L
Payload
480 - 500 kg
Payload
373 - 454 kg

Engine and Performance
Engine Type
Petrol MHEV, Plug-in Hybrid, Diesel, Petrol
Engine Type
Plug-in Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 421 HP
Power HP
180 - 360 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
5.2 - 8.3 s
Max Speed
-
Max Speed
230 - 250 km/h
Torque
230 - 500 Nm
Torque
360 - 520 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 310 kW
Power kW
133 - 265 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,598 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
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.