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Audi A5 Sportback vs BMW X3 comparison

Compare performance (639 HP vs 398 HP), boot space and price (40,200 £ vs 51,700 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BMW X3?

Audi A5 Sportback vs BMW X3: Key differences

Audi A5 Sportback

  • clearly cheaper
  • markedly more power
  • markedly more efficient
  • somewhat more electric range
  • visibly quicker 0–100 km/h
  • only slightly lighter
details

BMW X3

4.6 (1 Reviews)
rate
  • significantly more trunk space
details

By Achim Sedelmaier

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.

Audi A5 Sportback is clearly cheaper – starting at 40,200 £ , while the BMW X3 costs 51,700 £ . That’s a price difference of around 11,485 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is markedly more efficient than the BMW X3 with 2.8 L/100km. The difference is about 0.8 L/100km.

As for electric range, the Audi A5 Sportback offers somewhat more range – reaching up to 110 km, about 22 km more than the BMW X3.

X3

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 markedly more power – delivering 639 HP compared to 398 HP. That’s roughly 241 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is visibly quicker – completing the sprint in 3.7 s, while the BMW X3 takes 4.6 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers somewhat more torque with 825 Nm compared to 670 Nm. That’s about 155 Nm more.

A5 Sportback

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, Audi A5 Sportback is only slightly lighter – 1,770 kg compared to 1,930 kg. The difference is around 160 kg.

Looking at boot space, the BMW X3 offers significantly more boot space – 570 L compared to 331 L. That’s a difference of about 239 L.

When it comes to payload, the BMW X3 carries barely more – 570 kg compared to 530 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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 £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

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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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BMW X3

The BMW X3 mixes Bavarian poise with everyday practicality, delivering a composed ride and a cabin that feels both premium and lived-in. It’s the sort of SUV that lets you enjoy sporty handling without sacrificing family-friendly space, so you get fun and sense in one neat package.

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Reviews BMW X3

4.6 (1 Reviews)
rate

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

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Costs and Consumption
Price
40,200 - 91,000 £
Price
51,700 - 73,000 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
2.8 - 7.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 g/km
co2
64 - 175 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
1,930 - 2,140 kg
Trunk capacity
331 L
Trunk capacity
460 - 570 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
570 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 639 HP
Power HP
197 - 398 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.6 - 7.8 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
330 - 670 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
110 - 470 kW
Power kW
145 - 293 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,995 - 2,998 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
F, E, B
Brand
Audi
Brand
BMW
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.