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Audi A5 Avant vs Mazda 3 Sedan comparison

Compare performance (639 HP vs 186 HP), boot space and price (41,600 £ vs 25,400 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Mazda 3 Sedan?

Audi A5 Avant vs Mazda 3 Sedan: Key differences

Audi A5 Avant

4.4 (1 Reviews)
rate
  • clearly more power
  • considerably more efficient
  • clearly quicker 0–100 km/h
  • only slightly more trunk space
details

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • substantially cheaper
  • clearly lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

A5 Avant

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.

Mazda 3 Sedan is substantially cheaper – starting at 25,400 £ , while the Audi A5 Avant costs 41,600 £ . That’s a price difference of around 16,166 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is considerably more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 3.4 L/100km.

3 Sedan

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A5 Avant offers clearly 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 Avant is clearly 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 Avant delivers clearly more torque with 825 Nm compared to 240 Nm. That’s about 585 Nm more.

A5 Avant

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 terms of curb weight, Mazda 3 Sedan is clearly lighter – 1,417 kg compared to 1,785 kg. The difference is around 368 kg.

Looking at boot space, the Audi A5 Avant offers only slightly more boot space – 476 L compared to 450 L. That’s a difference of about 26 L.

When it comes to payload, the Audi A5 Avant carries only slightly more – 535 kg compared to 501 kg. That’s a difference of about 34 kg.

Who wins the race in the data check?

The Audi A5 Avant is decisively ahead 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 £41,600
A5 Avant

Audi A5 Avant

  • 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 2.1 - 7.7 L/100km
  • Electric Range 83 - 108 km
details

Frequently compared as well

Audi A5 Avant
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Audi A5 Avant
Mazda 3 Sedan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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Reviews Audi A5 Avant

4.4 (1 Reviews)
rate
Hje
10 May 2026, 10:01:51

I do a lot of highway and generally long distance driving where A5 is superior to BMW 3.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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.

details
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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 Avant
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Audi A5 Avant
Mazda 3 Sedan

Costs and Consumption
Price
41,600 - 92,400 £
Price
25,400 - 34,700 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
5.5 - 6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 108 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
47 - 175 g/km
co2
123 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,785 - 2,445 kg
Curb weight
1,417 - 1,468 kg
Trunk capacity
361 - 476 L
Trunk capacity
450 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
482 - 501 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
-
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
2026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D, E
Brand
Audi
Brand
Mazda
What drive types are available for the Audi A5 Avant?

Available configurations include 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.