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BMW 8 Series Convertible vs Audi A3 Limousine comparison

Compare performance (625 HP vs 400 HP), boot space and price (99,400 £ vs 27,700 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Audi A3 Limousine?

BMW 8 Series Convertible vs Audi A3 Limousine: Key differences

BMW 8 Series Convertible

  • noticeably more power
  • moderately quicker 0–100 km/h
details

Audi A3 Limousine

  • substantially cheaper
  • significantly more efficient
  • considerably lighter
  • a bit more trunk space
details

By Achim Sedelmaier

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

8 Series Convertible

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 Limousine is substantially cheaper – starting at 27,700 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 71,743 £.

Fuel consumption also shows a difference: the Audi A3 Limousine uses 4.4 L/100km and is significantly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 2.5 L/100km.

A3 Limousine

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW 8 Series Convertible offers noticeably more power – delivering 625 HP compared to 400 HP. That’s roughly 225 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is moderately quicker – completing the sprint in 3.3 s, while the Audi A3 Limousine takes 3.8 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers visibly more torque with 750 Nm compared to 500 Nm. That’s about 250 Nm more.

8 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 A3 Limousine offers more seats – 5 vs 4.

In terms of curb weight, Audi A3 Limousine is considerably lighter – 1,345 kg compared to 1,915 kg. The difference is around 570 kg.

Looking at boot space, the Audi A3 Limousine offers a bit more boot space – 425 L compared to 350 L. That’s a difference of about 75 L.

When it comes to payload, the Audi A3 Limousine carries somewhat more – 520 kg compared to 425 kg. That’s a difference of about 95 kg.

Who wins the race in the data check?

The Audi A3 Limousine 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 £27,700
A3 Limousine

Audi A3 Limousine

  • Engine Type Petrol, Petrol MHEV, Diesel
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 400 HP
  • Consumption L/100km 4.4 - 9.2 L/100km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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Reviews BMW 8 Series Convertible

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Audi A3 Limousine

The Audi A3 sedan dresses up compact practicality in clean, premium lines, giving you the feel of an upscale small car with a proper boot. Inside it’s neat, driver-focused and nicely finished — a sensible, enjoyable daily companion that prefers poise over showy theatrics.

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Reviews Audi A3 Limousine

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Audi A3 Limousine

Costs and Consumption
Price
99,400 - 165,800 £
Price
27,700 - 94,300 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
4.4 - 9.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
115 - 208 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Sedan
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,345 - 1,640 kg
Trunk capacity
350 L
Trunk capacity
321 - 425 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,816 - 1,851 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
415 - 520 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
333 - 625 HP
Power HP
116 - 400 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
3.8 - 10.1 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
220 - 500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 5
Power kW
245 - 460 kW
Power kW
85 - 294 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
D, C, E, G
Brand
BMW
Brand
Audi
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or Rear-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.