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Mercedes GLA vs SEAT Leon - Differences and prices compared

Compare performance (421 HP vs 272 HP), boot space and price (38800 £ vs 24500 £) at a glance. Find out which car is the better choice for you – Mercedes GLA or SEAT Leon?

Mercedes GLA

5 (1 Reviews)
rate

SEAT Leon

4.7 (1 Reviews)
rate

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.

SEAT Leon has a convincingly advantage in terms of price – it starts at 24500 £, while the Mercedes GLA costs 38800 £. That’s a price difference of around 14382 £.

Fuel consumption also shows a difference: SEAT Leon manages with 1.20 L and is therefore convincingly more efficient than the Mercedes GLA with 2.90 L. The difference is about 1.70 L per 100 km.

As for range, the SEAT Leon performs decisively better – achieving up to 133 km, about 59 km more than the Mercedes GLA.

Leon

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 has a distinct edge – offering 421 HP compared to 272 HP. That’s roughly 149 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLA is convincingly quicker – completing the sprint in 4.30 s, while the SEAT Leon takes 7.70 s. That’s about 3.40 s faster.

In terms of top speed, the Mercedes GLA performs a bit better – reaching 270 km/h, while the SEAT Leon tops out at 220 km/h. The difference is around 50 km/h.

There’s also a difference in torque: Mercedes GLA pulls distinct stronger with 500 Nm compared to 360 Nm. That’s about 140 Nm difference.

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 curb weight, SEAT Leon is a bit lighter – 1344 kg compared to 1570 kg. The difference is around 226 kg.

In terms of boot space, the Mercedes GLA offers to a small extent more room – 435 L compared to 380 L. That’s a difference of about 55 L.

In maximum load capacity, the Mercedes GLA performs slight better – up to 1430 L, which is about 129 L more than the SEAT Leon.

When it comes to payload, SEAT Leon hardly perceptible takes the win – 521 kg compared to 500 kg. That’s a difference of about 21 kg.

Who wins the race?

The SEAT Leon proves to be leaves the rival little chance and therefore becomes our DriveDuel Champion!
SEAT Leon is the better all-rounder in this comparison.

from about £24,500
Leon

SEAT Leon

  • Engine Type : Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 116 - 272 HP
  • Consumption L/100km : 1.2 - 5.5 L
  • Electric Range : 133 km
Mercedes GLA
SEAT Leon

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes GLA

5 (1 Reviews)
rate

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

SEAT Leon

4.7 (1 Reviews)
rate

SEAT Leon pairs sharp, modern styling with a cabin that's sensible and slightly sporty, making it an appealing choice for buyers who want flair without fuss. It drives with eager composure and offers a neat balance of comfort and agility, so you get everyday usability with a wink of fun.

details
Mercedes GLA
SEAT Leon

Costs and Consumption

Price
38800 - 75300 £
Price
24500 - 36400 £
Consumption L/100km
2.9 - 9.5 L
Consumption L/100km
1.2 - 5.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
74 km
Electric Range
133 km
Battery Capacity
12.90 kWh
Battery Capacity
19.70 kWh
co2
66 - 216 g/km
co2
27 - 126 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
40 - 45 L

Dimensions and Body

Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1570 - 1810 kg
Curb weight
1344 - 1657 kg
Trunk capacity
385 - 435 L
Trunk capacity
270 - 380 L
Length
4412 - 4443 mm
Length
4368 mm
Width
1834 - 1849 mm
Width
1799 mm
Height
1590 - 1616 mm
Height
1442 - 1460 mm
Max trunk capacity
1385 - 1430 L
Max trunk capacity
1187 - 1301 L
Payload
480 - 500 kg
Payload
473 - 521 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 421 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
190 - 270 km/h
Max Speed
197 - 220 km/h
Torque
230 - 500 Nm
Torque
220 - 360 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 310 kW
Power kW
85 - 200 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
1498 - 1968 cm3

General

Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
B, E, F, G
CO2 Efficiency Class
D, B
Brand
Mercedes-Benz
Brand
SEAT
What drivetrain options does the Mercedes GLA have?

Available configurations include 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.