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BMW 4 Series Convertible vs Audi A5 Sportback comparison

Compare performance (530 HP vs 639 HP), boot space and price (52,100 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Audi A5 Sportback?

BMW 4 Series Convertible vs Audi A5 Sportback: Key differences

BMW 4 Series Convertible

  • barely lighter
  • a bit more trunk space

Audi A5 Sportback

  • noticeably cheaper
  • slightly more power
  • clearly more efficient

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

4 Series Convertible

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A5 Sportback is noticeably cheaper – starting at 40,200 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 11,914 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is clearly more efficient than the BMW 4 Series Convertible with 5.2 L/100km. The difference is about 3.2 L/100km.

A5 Sportback

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 slightly more power – delivering 639 HP compared to 530 HP. That’s roughly 109 HP more horsepower.

Both models accelerate almost equally fast – 3.7 s from 0 to 100 km/h.

There’s no difference in top speed – both reach 250 km/h.

There’s also a difference in torque: the Audi A5 Sportback delivers moderately more torque with 825 Nm compared to 700 Nm. That’s about 125 Nm more.

4 Series Convertible

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 A5 Sportback offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is barely lighter – 1,765 kg compared to 1,770 kg. The difference is around 5 kg.

Looking at boot space, the BMW 4 Series Convertible offers a bit more boot space – 385 L compared to 331 L. That’s a difference of about 54 L.

When it comes to payload, the Audi A5 Sportback carries noticeably more – 530 kg compared to 420 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Audi A5 Sportback holds a decisive overall lead 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

BMW 4 Series Convertible

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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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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Costs and Consumption
Price
52,100 - 96,600 £
Price
40,200 - 91,000 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
2 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
84 - 110 km
Battery Capacity
-
Battery Capacity
20.7 kWh
co2
136 - 231 g/km
co2
45 - 172 g/km
Fuel tank capacity
59 L
Fuel tank capacity
46 L

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
4 - 5
Doors
2
Doors
5
Curb weight
1,765 - 2,055 kg
Curb weight
1,770 - 2,430 kg
Trunk capacity
385 L
Trunk capacity
331 L
Length
4,768 - 4,770 mm
Length
4,829 mm
Width
1,852 - 1,887 mm
Width
1,860 - 1,952 mm
Height
1,384 - 1,394 mm
Height
1,444 mm
Max trunk capacity
-
Max trunk capacity
1,175 L
Payload
345 - 420 kg
Payload
475 - 530 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
184 - 530 HP
Power HP
150 - 639 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
236 - 250 km/h
Max Speed
250 km/h
Torque
300 - 700 Nm
Torque
280 - 825 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
135 - 390 kW
Power kW
110 - 470 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
B, E, F, D
Brand
BMW
Brand
Audi
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is available as Rear-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.