@ Mercedes-Benz Group Media
@ SEAT S.A. / SEAT Media Center
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Mercedes CLA Coupe vs SEAT Leon - Differences and prices compared

Compare performance (421 HP vs 272 HP), boot space and price (37100 £ vs 24500 £) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or SEAT Leon?

Mercedes CLA Coupe

SEAT Leon

You can find all user reviews further down on this page.

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

CLA Coupe @ Mercedes-Benz Group Media

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.

SEAT Leon has a clearly advantage in terms of price – it starts at 24500 £, while the Mercedes CLA Coupe costs 37100 £. That’s a price difference of around 12648 £.

Fuel consumption also shows a difference: SEAT Leon manages with 1.20 L and is therefore decisively more efficient than the Mercedes CLA Coupe with 2.30 L. The difference is about 1.10 L per 100 km.

As for range, the Mercedes CLA Coupe performs decisively better – achieving up to 791 km, about 658 km more than the SEAT Leon.

Leon @ SEAT S.A. / SEAT Media Center

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 CLA Coupe has a noticeable 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 CLA Coupe is decisively quicker – completing the sprint in 4.10 s, while the SEAT Leon takes 7.70 s. That’s about 3.60 s faster.

In terms of top speed, the Mercedes CLA Coupe performs to a small extent 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 CLA Coupe pulls noticeable stronger with 515 Nm compared to 360 Nm. That’s about 155 Nm difference.

CLA Coupe @ Mercedes-Benz Group Media

Space and Everyday Use:

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

Seats: offers more seating capacity – vs .

In curb weight, SEAT Leon is somewhat lighter – 1344 kg compared to 1505 kg. The difference is around 161 kg.

In terms of boot space, the Mercedes CLA Coupe offers to a small extent more room – 460 L compared to 380 L. That’s a difference of about 80 L.

When it comes to payload, SEAT Leon barely noticeable takes the win – 521 kg compared to 490 kg. That’s a difference of about 31 kg.

Who comes out on top?

Overall, the Mercedes CLA Coupe shows itself to be dominates this comparison and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £37,100
CLA Coupe @ Mercedes-Benz Group Media

Mercedes CLA Coupe

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.3 - 8.9 L
  • Consumption kWh/100km : 12.2 - 12.6 kWh
  • Electric Range : 86 - 791 km
details
Mercedes CLA Coupe
SEAT Leon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes CLA Coupe

The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.

details
19C0225_069 @ Mercedes-Benz Group Media
19C0225_068 @ Mercedes-Benz Group Media
19C0225_067 @ Mercedes-Benz Group Media
19C0225_044 @ Mercedes-Benz Group Media

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.

details
Small-33980-LeonSEDynamic-MysteryBlue @ SEAT S.A. / SEAT Media Center
Small-33989-LeonSEDynamic-MysteryBlue @ SEAT S.A. / SEAT Media Center
ipp-all-new-seat-leon-114-hq @ SEAT S.A. / SEAT Media Center
Small-35510-SEATLeonkeepsWhatCarAwardinthefamily @ SEAT S.A. / SEAT Media Center

Reviews Mercedes CLA Coupe

Dejf
18 Dec 2025, 14:59:40

Nice efficient car. Like it

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

Reviews SEAT Leon

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Costs and Consumption
Price
37100 - 73700 £
Price
24500 - 36400 £
Consumption L/100km
2.3 - 8.9 L
Consumption L/100km
1.2 - 5.5 L
Consumption kWh/100km
12.2 - 12.6 kWh
Consumption kWh/100km
-
Electric Range
86 - 791 km
Electric Range
133 km
Battery Capacity
12.9 - 85 kWh
Battery Capacity
19.70 kWh
co2
0 - 202 g/km
co2
27 - 126 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
40 - 45 L

Dimensions and Body
Body Type
Coupe
Body Type
Hatchback
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1505 - 2135 kg
Curb weight
1344 - 1657 kg
Trunk capacity
395 - 460 L
Trunk capacity
270 - 380 L
Length
4692 - 4723 mm
Length
4368 mm
Width
1834 - 1857 mm
Width
1799 mm
Height
1404 - 1468 mm
Height
1442 - 1460 mm
Max trunk capacity
-
Max trunk capacity
1187 - 1301 L
Payload
440 - 490 kg
Payload
473 - 521 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 421 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
4.1 - 10 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
205 - 270 km/h
Max Speed
197 - 220 km/h
Torque
230 - 515 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, D, E, G, A
CO2 Efficiency Class
D, B
Brand
Mercedes-Benz
Brand
SEAT

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What drive types are available for the Mercedes CLA Coupe?

The Mercedes CLA Coupe is available as Front-Wheel Drive, All-Wheel Drive or Rear-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.