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BMW 4 Series Convertible vs Audi A5 Avant comparison

Compare performance (530 HP vs 639 HP), boot space and price (52,600 £ vs 41,600 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Audi A5 Avant?

BMW 4 Series Convertible vs Audi A5 Avant: Key differences

BMW 4 Series Convertible

  • marginally lighter
  • marginally more trunk space
details

Audi A5 Avant

4.4 (1 Reviews)
rate
  • markedly cheaper
  • moderately more power
  • considerably more efficient
details

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

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 Avant is markedly cheaper – starting at 41,600 £ , while the BMW 4 Series Convertible costs 52,600 £ . That’s a price difference of around 11,014 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is considerably more efficient than the BMW 4 Series Convertible with 5.2 L/100km. The difference is about 3.1 L/100km.

A5 Avant

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

4 Series Convertible

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A5 Avant offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is marginally lighter – 1,765 kg compared to 1,785 kg. The difference is around 20 kg.

Looking at boot space, the BMW 4 Series Convertible offers marginally more boot space – 385 L compared to 361 L. That’s a difference of about 24 L.

When it comes to payload, the Audi A5 Avant carries visibly more – 535 kg compared to 420 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The Audi A5 Avant 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 £41,600
A5 Avant

Audi A5 Avant

  • 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 2.1 - 7.7 L/100km
  • Electric Range 83 - 108 km
details

Frequently compared as well

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BMW 4 Series Convertible
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BMW 4 Series Convertible
Audi A5 Avant

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

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

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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Reviews Audi A5 Avant

4.4 (1 Reviews)
rate
Hje
10 May 2026, 10:01:51

I do a lot of highway and generally long distance driving where A5 is superior to BMW 3.

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

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BMW 4 Series Convertible
Audi A5 Avant

Costs and Consumption
Price
52,600 - 97,800 £
Price
41,600 - 92,400 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
2.1 - 7.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
83 - 108 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
47 - 175 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Estate
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
1,785 - 2,445 kg
Trunk capacity
385 L
Trunk capacity
361 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,860 - 1,952 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
480 - 535 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
-
Max Speed
-
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.