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Audi A3 Sportback vs SEAT Leon - Differences and prices compared

Compare performance (400 HP vs 272 HP), boot space and price (27000 £ vs 24500 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or SEAT Leon?

Audi A3 Sportback

SEAT Leon

4.4 (2 Reviews)
rate

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

A3 Sportback

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

SEAT Leon has a a bit advantage in terms of price – it starts at 24500 £ , while the Audi A3 Sportback costs 27000 £ . That’s a price difference of around 2546 £.

Fuel consumption also shows a difference: Audi A3 Sportback manages with 1.10 L and is therefore hardly perceptible more efficient than the SEAT Leon with 1.20 L. The difference is about 0.10 L per 100 km.

As for electric range, the Audi A3 Sportback performs hardly perceptible better – achieving up to 141 km, about 8 km more than the SEAT Leon.

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 Audi A3 Sportback has a noticeable edge – offering 400 HP compared to 272 HP. That’s roughly 128 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A3 Sportback is convincingly quicker – completing the sprint in 3.80 s, while the SEAT Leon takes 7.70 s. That’s about 3.90 s faster.

In terms of top speed, the Audi A3 Sportback performs slight better – reaching 237 km/h, while the SEAT Leon tops out at 220 km/h. The difference is around 17 km/h.

There’s also a difference in torque: Audi A3 Sportback pulls evident stronger with 500 Nm compared to 360 Nm. That’s about 140 Nm difference.

A3 Sportback

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 1360 kg. The difference is around 16 kg.

Boot capacity is identical – both offer 380 L of storage.

In maximum load capacity, the SEAT Leon performs somewhat better – up to 1301 L, which is about 201 L more than the Audi A3 Sportback.

When it comes to payload, SEAT Leon minimal takes the win – 521 kg compared to 480 kg. That’s a difference of about 41 kg.

Who wins the race in the data check?

The Audi A3 Sportback is clearly superior 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.

Audi A3 Sportback
SEAT Leon

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis
from about £27,000
A3 Sportback

Audi A3 Sportback

  • Engine Type : Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 400 HP
  • Consumption L/100km : 1.1 - 9.3 L
  • Electric Range : 134 - 141 km

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

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
Audi A3 Sportback
SEAT Leon

Costs and Consumption

Price
27000 - 56600 £
Price
24500 - 36400 £
Consumption L/100km
1.1 - 9.3 L
Consumption L/100km
1.2 - 5.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
133 km
Battery Capacity
19.70 kWh
Battery Capacity
19.70 kWh
co2
25 - 211 g/km
co2
27 - 126 g/km
Fuel tank capacity
40 L
Fuel tank capacity
40 - 45 L

Dimensions and Body

Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1360 - 1685 kg
Curb weight
1344 - 1657 kg
Trunk capacity
280 - 380 L
Trunk capacity
270 - 380 L
Length
4352 - 4353 mm
Length
4368 mm
Width
1816 - 1851 mm
Width
1799 mm
Height
1441 - 1470 mm
Height
1442 - 1460 mm
Max trunk capacity
1100 L
Max trunk capacity
1187 - 1301 L
Payload
410 - 480 kg
Payload
473 - 521 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, 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 - 400 HP
Power HP
116 - 272 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
7.7 - 10.5 s
Max Speed
225 - 237 km/h
Max Speed
197 - 220 km/h
Torque
220 - 500 Nm
Torque
220 - 360 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
85 - 294 kW
Power kW
85 - 200 kW
Engine capacity
1498 - 2480 cm3
Engine capacity
1498 - 1968 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
D, B
Brand
Audi
Brand
SEAT
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is offered with Front-Wheel Drive or All-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.