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Audi A5 Sportback vs Mazda CX-30 comparison

Compare performance (639 HP vs 186 HP), boot space and price (40,200 £ vs 25,700 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mazda CX-30?

Audi A5 Sportback vs Mazda CX-30: Key differences

Audi A5 Sportback

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

Mazda CX-30

4.5 (9 Reviews)
rate
  • significantly cheaper
  • visibly lighter
  • markedly 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

A5 Sportback

Costs and Efficiency:

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

Mazda CX-30 is significantly cheaper – starting at 25,700 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 14,495 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is significantly more efficient than the Mazda CX-30 with 5.7 L/100km. The difference is about 3.7 L/100km.

CX-30

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 Sportback offers significantly 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 considerably quicker – completing the sprint in 3.7 s, while the Mazda CX-30 takes 8.3 s. That’s about 4.6 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 CX-30 is visibly lighter – 1,455 kg compared to 1,770 kg. The difference is around 315 kg.

Looking at boot space, the Mazda CX-30 offers markedly more boot space – 430 L compared to 331 L. That’s a difference of about 99 L.

When it comes to payload, the Audi A5 Sportback carries marginally more – 530 kg compared to 496 kg. That’s a difference of about 34 kg.

Who wins the race in the data check?

The Audi A5 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 £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
details

Frequently compared as well

Lexus UX
Mazda CX-30
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The Lexus UX and Mazda CX-30 are two compact crossovers that target different buyers: the UX prioritizes premium feel and comfort, while the CX-30 focuses on engaging driving dynamics and value. This comparison will highlight how they stack up in design, interior quality, tech, safety and running …
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VW T-Roc
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Audi A5 Sportback
Mazda CX-30

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

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

Mazda CX-30

The Mazda CX-30 blends Mazda’s upscale styling with a compact crossover body, offering a refined interior and engaging driving dynamics. It’s a practical choice for buyers who want a premium feel and agile handling in a city-friendly package.

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Reviews Mazda CX-30

4.5 (9 Reviews)
rate
Jarek
4 Jun 2026, 09:16:53

The pleasure of driving and everything we call premium sensations.

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
Danny
31 May 2026, 17:14:00

Nice luxury car, although I'm not sure I find the oversized rims that attractive. On the other hand, I like the Mazda 3 better.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Practicality / Trunk & Everyday Use
Value for Money
Paul
27 May 2026, 05:17:55

Better soundproofed, more powerful, and feels more like a continuation of my hands and feet when driving — in other words, you feel like a single unit during the driving experience — but cramped for me at 6 ft 1 in to get in and out…

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michele
8 May 2026, 17:46:44

Quiet; well finished, predominantly analog dashboard; excellent value for money

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Rafa
25 Apr 2026, 12:50:49

I wouldn't pay more than 40,000 for a 1.5 L engine — that's excessive.

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Audi A5 Sportback
Mazda CX-30

Costs and Consumption
Price
40,200 - 91,000 £
Price
25,700 - 37,200 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
5.7 - 6.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 g/km
co2
129 - 148 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,455 - 1,587 kg
Trunk capacity
331 L
Trunk capacity
422 - 430 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
458 - 496 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, All-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
8.3 - 10.3 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
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D, E
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.