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Audi A3 Sportback vs Mazda 6 Estate comparison

Compare performance (400 HP vs 194 HP), boot space and price (27,000 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Mazda 6 Estate?

Audi A3 Sportback vs Mazda 6 Estate: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • slightly cheaper
  • significantly more power
  • significantly more efficient
  • clearly quicker 0–100 km/h
  • marginally lighter
details

Mazda 6 Estate

4.7 (1 Reviews)
rate
  • visibly more trunk space
details

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 slightly cheaper – starting at 27,000 £ , while the Mazda 6 Estate costs 30,000 £ . That’s a price difference of around 3,000 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is significantly more efficient than the Mazda 6 Estate with 6.8 L/100km. The difference is about 5.7 L/100km.

6 Estate

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 offers significantly more power – delivering 400 HP compared to 194 HP. That’s roughly 206 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 Estate takes 8.1 s. That’s about 4.3 s quicker.

There’s also a difference in torque: the Audi A3 Sportback delivers significantly more torque with 500 Nm compared to 258 Nm. That’s about 242 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 marginally lighter – 1,360 kg compared to 1,475 kg. The difference is around 115 kg.

Looking at boot space, the Mazda 6 Estate offers visibly more boot space – 522 L compared to 380 L. That’s a difference of about 142 L.

When it comes to payload, the Mazda 6 Estate carries a bit more – 571 kg compared to 480 kg. That’s a difference of about 91 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.

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
Audi A3 Sportback
Mazda 6 Estate

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.

details

Mazda 6 Estate

The Mazda 6 Estate marries elegant, flowing design with everyday practicality, so you get a grown-up wagon that still looks the part on a weekend escape. It rewards drivers with poised handling and a nicely finished cabin, proving that sensible family cars can be engaging — and a little bit cheeky — too.

details
Audi A3 Sportback
Mazda 6 Estate

Costs and Consumption

Price
27,000 - 92,900 £
Price
30,000 - 43,500 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
6.8 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
155 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
62 L

Dimensions and Body

Body Type
Hatchback
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,360 - 1,685 kg
Curb weight
1,475 - 1,598 kg
Trunk capacity
280 - 380 L
Trunk capacity
522 L
Length
-
Length
4,805 mm
Width
1,816 - 1,851 mm
Width
1,840 mm
Height
-
Height
1,480 mm
Max trunk capacity
-
Max trunk capacity
1,664 L
Payload
410 - 480 kg
Payload
483 - 571 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 400 HP
Power HP
145 - 194 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
8.1 - 10.7 s
Max Speed
-
Max Speed
205 - 223 km/h
Torque
220 - 500 Nm
Torque
213 - 258 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
85 - 294 kW
Power kW
107 - 143 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,998 - 2,488 cm3

General

Model Year
2,025 - 2,026
Model Year
2,021 - 2,022
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
E, F
Brand
Audi
Brand
Mazda
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.