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Mazda 3 Hatchback vs SEAT Leon comparison

Compare performance (186 HP vs 272 HP), boot space and price (24,500 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or SEAT Leon?

Mazda 3 Hatchback vs SEAT Leon: Key differences

Mazda 3 Hatchback

  • marginally cheaper
details

SEAT Leon

4.4 (2 Reviews)
rate
  • clearly more power
  • clearly more efficient
  • only slightly quicker 0–100 km/h
  • marginally lighter
  • marginally more trunk space
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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

3 Hatchback

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.

Mazda 3 Hatchback is marginally cheaper – starting at 24,500 £ , while the SEAT Leon costs 24,800 £ . That’s a price difference of around 257 £.

Fuel consumption also shows a difference: the SEAT Leon uses 1.2 L/100km and is clearly more efficient than the Mazda 3 Hatchback with 5.6 L/100km. The difference is about 4.4 L/100km.

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 SEAT Leon offers clearly more power – delivering 272 HP compared to 186 HP. That’s roughly 86 HP more horsepower.

When accelerating from 0 to 100 km/h, the SEAT Leon is only slightly quicker – completing the sprint in 7.7 s, while the Mazda 3 Hatchback takes 8 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the SEAT Leon delivers markedly more torque with 360 Nm compared to 240 Nm. That’s about 120 Nm more.

3 Hatchback

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, SEAT Leon is marginally lighter – 1,344 kg compared to 1,419 kg. The difference is around 75 kg.

Looking at boot space, the SEAT Leon offers marginally more boot space – 380 L compared to 351 L. That’s a difference of about 29 L.

When it comes to payload, the SEAT Leon carries barely more – 521 kg compared to 485 kg. That’s a difference of about 36 kg.

Who wins the race in the data check?

The SEAT Leon 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 £24,800
Leon

SEAT Leon

  • Engine Type : Petrol, Petrol MHEV, Plugin Hybrid, Diesel
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 116 - 272 HP
  • Consumption L/100km : 1.2 - 5.5 L/100km
  • Electric Range : 133 km
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Mazda 3 Hatchback
SEAT Leon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 3 Hatchback

The Mazda 3 hatchback blends elegant design with a surprisingly sporty drive, giving a cabin that feels more upscale than you’d expect for the segment. Practical enough for everyday life yet eager to entertain behind the wheel, it’s a smart, good-humored choice that makes even grocery runs feel like a mini escape.

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Reviews Mazda 3 Hatchback

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)
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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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Mazda 3 Hatchback
SEAT Leon

Costs and Consumption
Price
24,500 - 35,500 £
Price
24,800 - 36,800 £
Consumption L/100km
5.6 - 6.5 L/100km
Consumption L/100km
1.2 - 5.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
133 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 146 g/km
co2
28 - 126 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,419 - 1,549 kg
Curb weight
1,344 - 1,657 kg
Trunk capacity
351 L
Trunk capacity
270 - 380 L
Length
-
Length
-
Width
1,795 mm
Width
1,799 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
470 - 485 kg
Payload
473 - 521 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol, Petrol MHEV, Plugin Hybrid, Diesel
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
8 - 9.8 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
220 - 360 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
103 - 137 kW
Power kW
85 - 200 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,498 - 1,968 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
D, E
CO2 Efficiency Class
D, B
Brand
Mazda
Brand
SEAT
What drive types are available for the Mazda 3 Hatchback?

Available configurations include 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.