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Audi A3 Sportback vs Mazda 6 Saloon comparison

Compare performance (400 HP vs 258 HP), boot space and price (27,000 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Mazda 6 Saloon?

Audi A3 Sportback vs Mazda 6 Saloon: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • considerably cheaper
  • clearly more power
  • clearly quicker 0–100 km/h
  • significantly lighter
  • slightly more trunk space
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Mazda 6 Saloon

  • clearly more electric range
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By Achim Sedelmaier

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

A3 Sportback

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.

Audi A3 Sportback is considerably cheaper – starting at 27,000 £ , while the Mazda 6 Saloon costs 38,500 £ . That’s a price difference of around 11,485 £.

As for electric range, the Mazda 6 Saloon offers clearly more range – reaching up to 552 km, about 411 km more than the Audi A3 Sportback.

6 Saloon

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 Audi A3 Sportback offers clearly more power – delivering 400 HP compared to 258 HP. That’s roughly 142 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is clearly quicker – completing the sprint in 3.8 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.8 s quicker.

There’s also a difference in torque: the Audi A3 Sportback delivers clearly more torque with 500 Nm compared to 320 Nm. That’s about 180 Nm more.

A3 Sportback

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, Audi A3 Sportback is significantly lighter – 1,360 kg compared to 2,027 kg. The difference is around 667 kg.

Looking at boot space, the Audi A3 Sportback offers slightly more boot space – 380 L compared to 336 L. That’s a difference of about 44 L.

When it comes to payload, the Audi A3 Sportback carries clearly more – 480 kg compared to 360 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Audi A3 Sportback stands well ahead of its rival 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 £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/100km
  • Electric Range : 134 - 141 km
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Frequently compared as well

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Audi A3 Sportback
Mazda 6 Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Reviews Mazda 6 Saloon

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

Frequently compared as well

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Mazda 6 Saloon
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Audi A3 Sportback
Mazda 6 Saloon

Costs and Consumption
Price
27,000 - 92,900 £
Price
38,500 - 41,600 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
134 - 141 km
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,360 - 1,685 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
280 - 380 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,816 - 1,851 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
410 - 480 kg
Payload
359 - 360 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
116 - 400 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
220 - 500 Nm
Torque
320 Nm
Number of Cylinders
4 - 5
Number of Cylinders
-
Power kW
85 - 294 kW
Power kW
180 - 190 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
A
Brand
Audi
Brand
Mazda
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback 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.