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Audi A3 Sportback vs BMW X3 comparison

Compare performance (400 HP vs 398 HP), boot space and price (27,000 £ vs 51,700 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or BMW X3?

Audi A3 Sportback vs BMW X3: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • clearly cheaper
  • very slightly more power
  • substantially more efficient
  • noticeably more electric range
  • markedly quicker 0–100 km/h
  • significantly lighter
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BMW X3

4.6 (1 Reviews)
rate
  • visibly more trunk space
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By Achim Sedelmaier

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

A3 Sportback

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A3 Sportback is clearly cheaper – starting at 27,000 £ , while the BMW X3 costs 51,700 £ . That’s a price difference of around 24,685 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is substantially more efficient than the BMW X3 with 2.8 L/100km. The difference is about 1.7 L/100km.

As for electric range, the Audi A3 Sportback offers noticeably more range – reaching up to 141 km, about 53 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 A3 Sportback offers very slightly more power – delivering 400 HP compared to 398 HP. That’s roughly 2 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is markedly quicker – completing the sprint in 3.8 s, while the BMW X3 takes 4.6 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the BMW X3 delivers clearly more torque with 670 Nm compared to 500 Nm. That’s about 170 Nm more.

A3 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 A3 Sportback is significantly lighter – 1,360 kg compared to 1,930 kg. The difference is around 570 kg.

Looking at boot space, the BMW X3 offers visibly more boot space – 570 L compared to 380 L. That’s a difference of about 190 L.

When it comes to payload, the BMW X3 carries slightly more – 570 kg compared to 480 kg. That’s a difference of about 90 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
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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.

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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BMW X3

Costs and Consumption
Price
27,000 - 92,900 £
Price
51,700 - 73,000 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
2.8 - 7.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 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
1,360 - 1,685 kg
Curb weight
1,930 - 2,140 kg
Trunk capacity
280 - 380 L
Trunk capacity
460 - 570 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
570 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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
All-Wheel Drive
Power HP
116 - 400 HP
Power HP
197 - 398 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.6 - 7.8 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
330 - 670 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 6
Power kW
85 - 294 kW
Power kW
145 - 293 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,995 - 2,998 cm3

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