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Mercedes A Class Saloon vs SEAT Leon comparison

Compare performance (320 HP vs 272 HP), boot space and price (32,700 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes A Class Saloon or SEAT Leon?

Mercedes A Class Saloon vs SEAT Leon: Key differences

Mercedes A Class Saloon

  • moderately more power
  • significantly more efficient
  • considerably quicker 0–100 km/h
  • marginally more trunk space
details

SEAT Leon

4.4 (2 Reviews)
rate
  • markedly cheaper
  • noticeably more electric range
  • marginally lighter
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

A Class Saloon

Costs and Efficiency:

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

SEAT Leon is markedly cheaper – starting at 24,800 £ , while the Mercedes A Class Saloon costs 32,700 £ . That’s a price difference of around 7,916 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is significantly more efficient than the SEAT Leon with 1.2 L/100km. The difference is about 0.5 L/100km.

As for electric range, the SEAT Leon offers noticeably more range – reaching up to 133 km, about 45 km more than the Mercedes A Class Saloon.

Leon

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 A Class Saloon offers moderately more power – delivering 320 HP compared to 272 HP. That’s roughly 48 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes A Class Saloon is considerably quicker – completing the sprint in 4.8 s, while the SEAT Leon takes 7.7 s. That’s about 2.9 s quicker.

There’s also a difference in torque: the Mercedes A Class Saloon delivers a bit more torque with 450 Nm compared to 360 Nm. That’s about 90 Nm more.

A Class Saloon

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, SEAT Leon is marginally lighter – 1,344 kg compared to 1,450 kg. The difference is around 106 kg.

Looking at boot space, the Mercedes A Class Saloon offers marginally more boot space – 395 L compared to 380 L. That’s a difference of about 15 L.

When it comes to payload, the SEAT Leon carries very slightly more – 521 kg compared to 490 kg. That’s a difference of about 31 kg.

Who wins the race in the data check?

The Mercedes A Class Saloon is far ahead overall 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 £32,700
A Class Saloon

Mercedes A Class Saloon

  • Engine Type Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 320 HP
  • Consumption L/100km 0.7 - 8.1 L/100km
  • Electric Range 88 km
details

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View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

Mercedes A Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

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Reviews Mercedes A Class Saloon

No reviews yet. Share your experience and help others decide.

SEAT Leon

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.

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Reviews SEAT Leon

4.4 (2 Reviews)
rate
FaBio
4 Jan 2026, 21:30:20

Mechanically the car is fairly well built, apart from the rear axle.
The air conditioning is effective and visibility is good, while the FR setup paired with the 18" wheels, in my view, hurts comfort — getting in and out can be awkward. Once on board, though, the seats are very comfortable. The infotainment is comprehensive, with a generously sized screen and full-link smartphone connectivity; the factory sat-nav does what it can, but obviously Maps is superior in every way.
All in all, a fun/sporty car that also winks at family life thanks to a roomy boot and modest fuel consumption.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes A Class Saloon
SEAT Leon

Costs and Consumption
Price
32,700 - 55,900 £
Price
24,800 - 36,800 £
Consumption L/100km
0.7 - 8.1 L/100km
Consumption L/100km
1.2 - 5.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
88 km
Electric Range
133 km
Battery Capacity
12.9 kWh
Battery Capacity
-
co2
16 - 184 g/km
co2
28 - 126 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
1,450 - 1,705 kg
Curb weight
1,344 - 1,657 kg
Trunk capacity
345 - 395 L
Trunk capacity
270 - 380 L
Length
4,558 - 4,570 mm
Length
-
Width
1,796 mm
Width
1,799 mm
Height
1,413 - 1,429 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 490 kg
Payload
473 - 521 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Petrol, Petrol MHEV, Plugin Hybrid, Diesel
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 - 320 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
4.8 - 9.9 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
206 - 250 km/h
Max Speed
-
Torque
200 - 450 Nm
Torque
220 - 360 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 235 kW
Power kW
85 - 200 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,498 - 1,968 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
B, D, G, E
CO2 Efficiency Class
D, B
Brand
Mercedes-Benz
Brand
SEAT
What drivetrain options does the Mercedes A Class Saloon have?

The Mercedes A Class Saloon 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.