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Audi A5 Sportback vs Mazda 6 Saloon comparison

Compare performance (639 HP vs 258 HP), boot space and price (40,200 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mazda 6 Saloon?

Audi A5 Sportback vs Mazda 6 Saloon: Key differences

Audi A5 Sportback

  • considerably more power
  • clearly quicker 0–100 km/h
  • moderately lighter
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Mazda 6 Saloon

  • only slightly cheaper
  • significantly more electric range
  • barely more trunk space
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By Achim Sedelmaier

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

A5 Sportback

Costs and Efficiency:

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

Mazda 6 Saloon is only slightly cheaper – starting at 38,500 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 1,715 £.

As for electric range, the Mazda 6 Saloon offers significantly more range – reaching up to 552 km, about 442 km more than the Audi A5 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 A5 Sportback offers considerably more power – delivering 639 HP compared to 258 HP. That’s roughly 381 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is clearly quicker – completing the sprint in 3.7 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.9 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers substantially more torque with 825 Nm compared to 320 Nm. That’s about 505 Nm more.

A5 Sportback

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A5 Sportback is moderately lighter – 1,770 kg compared to 2,027 kg. The difference is around 257 kg.

Looking at boot space, the Mazda 6 Saloon offers barely more boot space – 336 L compared to 331 L. That’s a difference of about 5 L.

When it comes to payload, the Audi A5 Sportback carries noticeably more – 530 kg compared to 360 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The Audi A5 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
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View detailed analysis

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View detailed analysis

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Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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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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Mazda 6 Saloon

Costs and Consumption
Price
40,200 - 91,000 £
Price
38,500 - 41,600 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
84 - 110 km
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 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
1,770 - 2,430 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
331 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,860 - 1,952 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
475 - 530 kg
Payload
359 - 360 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
150 - 639 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
280 - 825 Nm
Torque
320 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
110 - 470 kW
Power kW
180 - 190 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
A
Brand
Audi
Brand
Mazda
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-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.