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Audi A3 Sportback vs Mazda CX-5 comparison

Compare performance (400 HP vs 141 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 CX-5?

Audi A3 Sportback vs Mazda CX-5: Key differences

Audi A3 Sportback

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

Mazda CX-5

4.7 (8 Reviews)
rate
  • noticeably more trunk space
details

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

A3 Sportback

Costs and Efficiency:

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

Audi A3 Sportback is slightly cheaper – starting at 27,000 £ , while the Mazda CX-5 costs 30,000 £ . That’s a price difference of around 2,991 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is substantially more efficient than the Mazda CX-5 with 7 L/100km. The difference is about 5.9 L/100km.

CX-5

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 141 HP. That’s roughly 259 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is significantly quicker – completing the sprint in 3.8 s, while the Mazda CX-5 takes 10.5 s. That’s about 6.7 s quicker.

Looking at top speed, the Audi A3 Sportback is somewhat faster – reaching 237 km/h, while the Mazda CX-5 tops out at 195 km/h. The difference is around 42 km/h.

There’s also a difference in torque: the Audi A3 Sportback delivers significantly more torque with 500 Nm compared to 238 Nm. That’s about 262 Nm more.

A3 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 A3 Sportback is moderately lighter – 1,360 kg compared to 1,629 kg. The difference is around 269 kg.

Looking at boot space, the Mazda CX-5 offers noticeably more boot space – 583 L compared to 380 L. That’s a difference of about 203 L.

For maximum load capacity, the Mazda CX-5 offers substantially more capacity – up to 2,019 L, about 919 L more than the Audi A3 Sportback.

When it comes to payload, the Mazda CX-5 carries markedly more – 601 kg compared to 480 kg. That’s a difference of about 121 kg.

Who wins the race in the data check?

The Audi A3 Sportback is far ahead 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
details

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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 CX-5

The Mazda CX-5 blends elegant, athletic styling with a surprisingly engaging driving character, turning routine trips into small, satisfying adventures. Inside it feels thoughtfully built and comfortable, offering sensible practicality and a premium feel that punches above its price.

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Reviews Mazda CX-5

4.7 (8 Reviews)
rate
Bengt
25 Jan 2026, 14:05:09

I've owned several Volvos, but I drive a Mazda now and would never switch back.

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

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Mazda CX-5

Costs and Consumption
Price
27,000 - 92,900 £
Price
30,000 - 39,500 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
7 - 7.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
19.7 kWh
Battery Capacity
-
co2
25 - 211 g/km
co2
157 - 168 g/km
Fuel tank capacity
40 L
Fuel tank capacity
56 - 58 L

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,360 - 1,685 kg
Curb weight
1,629 - 1,671 kg
Trunk capacity
280 - 380 L
Trunk capacity
466 - 583 L
Length
4,352 - 4,353 mm
Length
4,690 mm
Width
1,816 - 1,851 mm
Width
1,860 mm
Height
1,441 - 1,470 mm
Height
1,695 mm
Max trunk capacity
1,100 L
Max trunk capacity
2,019 L
Payload
410 - 480 kg
Payload
601 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
116 - 400 HP
Power HP
141 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
10.5 - 10.9 s
Max Speed
225 - 237 km/h
Max Speed
195 km/h
Torque
220 - 500 Nm
Torque
238 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
85 - 294 kW
Power kW
104 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
2,488 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
F
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.