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Audi A3 Sportback vs BMW 4 Series Convertible comparison

Compare performance (400 HP vs 530 HP), boot space and price (27,000 £ vs 52,100 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or BMW 4 Series Convertible?

Audi A3 Sportback vs BMW 4 Series Convertible: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • significantly cheaper
  • significantly more efficient
  • clearly lighter
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BMW 4 Series Convertible

  • clearly more power
  • marginally quicker 0–100 km/h
  • marginally 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 significantly cheaper – starting at 27,000 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 25,114 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is significantly more efficient than the BMW 4 Series Convertible with 5.2 L/100km. The difference is about 4.1 L/100km.

4 Series Convertible

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW 4 Series Convertible offers clearly more power – delivering 530 HP compared to 400 HP. That’s roughly 130 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is marginally quicker – completing the sprint in 3.7 s, while the Audi A3 Sportback takes 3.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BMW 4 Series Convertible delivers markedly more torque with 700 Nm compared to 500 Nm. That’s about 200 Nm more.

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 4.

In terms of curb weight, Audi A3 Sportback is clearly lighter – 1,360 kg compared to 1,765 kg. The difference is around 405 kg.

Looking at boot space, the BMW 4 Series Convertible offers marginally more boot space – 385 L compared to 380 L. That’s a difference of about 5 L.

When it comes to payload, the Audi A3 Sportback carries slightly more – 480 kg compared to 420 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The Audi A3 Sportback is clearly superior 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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View detailed analysis

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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.

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The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

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BMW 4 Series Convertible

Costs and Consumption
Price
27,000 - 92,900 £
Price
52,100 - 96,600 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
5.2 - 10.2 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
136 - 231 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
1,765 - 2,055 kg
Trunk capacity
280 - 380 L
Trunk capacity
385 L
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,852 - 1,887 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
345 - 420 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
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
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 400 HP
Power HP
184 - 530 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
3.7 - 8.2 s
Max Speed
-
Max Speed
-
Torque
220 - 500 Nm
Torque
300 - 700 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4 - 6
Power kW
85 - 294 kW
Power kW
135 - 390 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
E, 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.