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Mazda 3 Sedan vs SEAT Leon - Differences and prices compared

Compare performance (186 HP vs 272 HP), boot space and price (25000 £ vs 24500 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Sedan or SEAT Leon?

Mazda 3 Sedan

4.7 (1 Reviews)
rate

SEAT Leon

4.4 (2 Reviews)
rate

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

Leon

Costs and Efficiency:

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

SEAT Leon has a barely noticeable advantage in terms of price – it starts at 24500 £ , while the Mazda 3 Sedan costs 25000 £ . That’s a price difference of around 523 £.

Fuel consumption also shows a difference: SEAT Leon manages with 1.20 L and is therefore convincingly more efficient than the Mazda 3 Sedan with 5.50 L. The difference is about 4.30 L per 100 km.

Leon

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the SEAT Leon has a evident edge – offering 272 HP compared to 186 HP. That’s roughly 86 HP more horsepower.

In acceleration from 0 to 100 km/h, the SEAT Leon is barely noticeable quicker – completing the sprint in 7.70 s, while the Mazda 3 Sedan takes 8.10 s. That’s about 0.40 s faster.

There’s also a difference in torque: SEAT Leon pulls noticeable stronger with 360 Nm compared to 240 Nm. That’s about 120 Nm difference.

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Leon

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 curb weight, SEAT Leon is slight lighter – 1344 kg compared to 1420 kg. The difference is around 76 kg.

In terms of boot space, the Mazda 3 Sedan offers somewhat more room – 450 L compared to 380 L. That’s a difference of about 70 L.

When it comes to payload, SEAT Leon barely noticeable takes the win – 521 kg compared to 481 kg. That’s a difference of about 40 kg.

Who wins the race?

The SEAT Leon proves to be outperforms in nearly all aspects 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
details
Mazda 3 Sedan
SEAT Leon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 3 Sedan

4.7 (1 Reviews)
rate

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details

SEAT Leon

4.4 (2 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
Small-33980-LeonSEDynamic-MysteryBlue
Small-33989-LeonSEDynamic-MysteryBlue
ipp-all-new-seat-leon-114-hq
Small-35510-SEATLeonkeepsWhatCarAwardinthefamily

Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

Reviews SEAT Leon

4.4 (2 Reviews)
rate

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Mazda 3 Sedan
SEAT Leon

Costs and Consumption
Price
25000 - 34200 £
Price
24500 - 36400 £
Consumption L/100km
5.5 - 6.1 L
Consumption L/100km
1.2 - 5.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
133 km
Battery Capacity
-
Battery Capacity
19.70 kWh
co2
123 - 135 g/km
co2
27 - 126 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 45 L

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1420 - 1492 kg
Curb weight
1344 - 1657 kg
Trunk capacity
450 L
Trunk capacity
270 - 380 L
Length
-
Length
4368 mm
Width
1795 mm
Width
1799 mm
Height
-
Height
1442 - 1460 mm
Max trunk capacity
-
Max trunk capacity
1187 - 1301 L
Payload
467 - 481 kg
Payload
473 - 521 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
8.1 - 9.8 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
-
Max Speed
197 - 220 km/h
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
1998 - 2488 cm3
Engine capacity
1498 - 1968 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D
CO2 Efficiency Class
D, B
Brand
Mazda
Brand
SEAT

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What drivetrain options does the Mazda 3 Sedan have?

The Mazda 3 Sedan is available as Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.