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Audi A5 Sportback vs Mazda 3 Sedan comparison

Compare performance (639 HP vs 186 HP), boot space and price (40,200 £ vs 25,000 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mazda 3 Sedan?

Audi A5 Sportback vs Mazda 3 Sedan: Key differences

Audi A5 Sportback

  • considerably more power
  • considerably more efficient
  • significantly quicker 0–100 km/h

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • significantly cheaper
  • noticeably lighter
  • clearly more trunk space

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

A5 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.

Mazda 3 Sedan is significantly cheaper – starting at 25,000 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 15,223 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is considerably more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 3.5 L/100km.

3 Sedan

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 A5 Sportback offers considerably more power – delivering 639 HP compared to 186 HP. That’s roughly 453 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is significantly quicker – completing the sprint in 3.7 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 4.4 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers significantly more torque with 825 Nm compared to 240 Nm. That’s about 585 Nm more.

A5 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, Mazda 3 Sedan is noticeably lighter – 1,420 kg compared to 1,770 kg. The difference is around 350 kg.

Looking at boot space, the Mazda 3 Sedan offers clearly more boot space – 450 L compared to 331 L. That’s a difference of about 119 L.

When it comes to payload, the Audi A5 Sportback carries only slightly more – 530 kg compared to 481 kg. That’s a difference of about 49 kg.

Who wins the race in the data check?

The Audi A5 Sportback holds a decisive overall lead 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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Mazda 3 Sedan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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 3 Sedan

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.

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Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

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Audi A5 Sportback
Mazda 3 Sedan

Costs and Consumption
Price
40,200 - 91,000 £
Price
25,000 - 34,200 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
5.5 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
20.7 kWh
Battery Capacity
-
co2
45 - 172 g/km
co2
123 - 135 g/km
Fuel tank capacity
46 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4 - 5
Seats
5
Doors
5
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,420 - 1,492 kg
Trunk capacity
331 L
Trunk capacity
450 L
Length
4,829 mm
Length
-
Width
1,860 - 1,952 mm
Width
1,795 mm
Height
1,444 mm
Height
-
Max trunk capacity
1,175 L
Max trunk capacity
-
Payload
475 - 530 kg
Payload
467 - 481 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
150 - 639 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
8.1 - 9.8 s
Max Speed
250 km/h
Max Speed
-
Torque
280 - 825 Nm
Torque
238 - 240 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 470 kW
Power kW
103 - 137 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,998 - 2,488 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D
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.