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Audi A3 Sportback vs BMW Z4 comparison

Compare performance (400 HP vs 340 HP), boot space and price (27000 £ vs 43500 £ ) 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

3.9 (1 Reviews)
rate
  • significantly cheaper
  • slightly more power
  • convincingly more efficient
  • a bit quicker from 0–100 km/h
  • somewhat lighter
  • noticeable more trunk space

BMW Z4

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

A3 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 A3 Sportback has a significantly advantage in terms of price – it starts at 27000 £ , while the BMW Z4 costs 43500 £ . That’s a price difference of around 16457 £.

Fuel consumption also shows a difference: Audi A3 Sportback manages with 1.10 L and is therefore convincingly more efficient than the BMW Z4 with 6.90 L. The difference is about 5.80 L per 100 km.

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 has a slightly edge – offering 400 HP compared to 340 HP. That’s roughly 60 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A3 Sportback is a bit quicker – completing the sprint in 3.80 s, while the BMW Z4 takes 4.50 s. That’s about 0.70 s faster.

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 clearly more seating capacity – 5 vs 2.

In curb weight, Audi A3 Sportback is somewhat lighter – 1360 kg compared to 1510 kg. The difference is around 150 kg.

In terms of boot space, the Audi A3 Sportback offers noticeable more room – 380 L compared to 281 L. That’s a difference of about 99 L.

When it comes to payload, Audi A3 Sportback clearly takes the win – 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 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.

Frequently compared as well

Audi A3 Sportback
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Audi A3 Sportback
BMW Z4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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
  • Electric Range : 134 - 141 km
details

Audi A3 Sportback

3.9 (1 Reviews)
rate

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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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 Audi A3 Sportback

3.9 (1 Reviews)
rate

Reviews BMW Z4

Audi A3 Sportback
BMW Z4

Costs and Consumption
Price
27000 - 56600 £
Price
43500 - 65300 £
Consumption L/100km
1.1 - 9.3 L
Consumption L/100km
6.9 - 8.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
19.70 kWh
Battery Capacity
-
co2
25 - 211 g/km
co2
157 - 191 g/km
Fuel tank capacity
40 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Roadster
Seats
5
Seats
2
Doors
5
Doors
-
Curb weight
1360 - 1685 kg
Curb weight
1510 - 1640 kg
Trunk capacity
280 - 380 L
Trunk capacity
281 L
Length
4352 - 4353 mm
Length
-
Width
1816 - 1851 mm
Width
1864 mm
Height
1441 - 1470 mm
Height
-
Max trunk capacity
1100 L
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
225 - 237 km/h
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
1498 - 2480 cm3
Engine capacity
1998 - 2998 cm3

General
Model Year
2025
Model Year
2025 - 2026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
F, G
Brand
Audi
Brand
BMW

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What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is offered with Front-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.