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Audi A3 Sportback vs BMW Z4 comparison

Compare performance (400 HP vs 340 HP), boot space and price (27,000 £ vs 43,500 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or BMW Z4?

Audi A3 Sportback vs BMW Z4: Key differences

Audi A3 Sportback

4.1 (2 Reviews)
rate
  • substantially cheaper
  • a bit more power
  • clearly more efficient
  • moderately quicker 0–100 km/h
  • moderately lighter
  • visibly more trunk space
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BMW Z4

4.4 (1 Reviews)
rate
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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

A3 Sportback

Costs and Efficiency:

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

Audi A3 Sportback is substantially cheaper – starting at 27,000 £ , while the BMW Z4 costs 43,500 £ . That’s a price difference of around 16,457 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is clearly more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 5.8 L/100km.

Z4

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 a bit more power – delivering 400 HP compared to 340 HP. That’s roughly 60 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is moderately quicker – completing the sprint in 3.8 s, while the BMW Z4 takes 4.5 s. That’s about 0.7 s quicker.

Both models offer the same torque – 500 Nm.

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.

Seats: Audi A3 Sportback offers more seats – 5 vs 2.

In terms of curb weight, Audi A3 Sportback is moderately lighter – 1,360 kg compared to 1,510 kg. The difference is around 150 kg.

Looking at boot space, the Audi A3 Sportback offers visibly more boot space – 380 L compared to 281 L. That’s a difference of about 99 L.

When it comes to payload, the Audi A3 Sportback carries considerably more – 480 kg compared to 235 kg. That’s a difference of about 245 kg.

Who wins the race in the data check?

The Audi A3 Sportback stands well ahead of its rival 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

Frequently compared as well

Audi A3 Sportback
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BMW Z4

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

4.1 (2 Reviews)
rate

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

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

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

Frequently compared as well

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BMW Z4

Costs and Consumption
Price
27,000 - 92,900 £
Price
43,500 - 65,300 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
6.9 - 8.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
157 - 191 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Roadster
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
1,510 - 1,640 kg
Trunk capacity
280 - 380 L
Trunk capacity
281 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,864 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
215 - 235 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
116 - 400 HP
Power HP
197 - 340 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
4.5 - 6.8 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
320 - 500 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 6
Power kW
85 - 294 kW
Power kW
145 - 250 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,998 - 2,998 cm3

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