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Audi A6 Limousine vs BMW 8 Series Convertible comparison

Compare performance (367 HP vs 625 HP), boot space and price (47,600 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW 8 Series Convertible?

Audi A6 Limousine vs BMW 8 Series Convertible: Key differences

Audi A6 Limousine

  • considerably cheaper
  • considerably more efficient
  • very slightly lighter
  • noticeably more trunk space
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BMW 8 Series Convertible

  • clearly more power
  • considerably quicker 0–100 km/h
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By Achim Sedelmaier

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

A6 Limousine

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A6 Limousine is considerably cheaper – starting at 47,600 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 51,857 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is considerably more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 4.7 L/100km.

8 Series Convertible

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 clearly more power – delivering 625 HP compared to 367 HP. That’s roughly 258 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is considerably quicker – completing the sprint in 3.3 s, while the Audi A6 Limousine takes 4.7 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers visibly more torque with 750 Nm compared to 580 Nm. That’s about 170 Nm more.

A6 Limousine

Space and Everyday Use:

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

Seats: Audi A6 Limousine offers more seats – 5 vs 4.

In terms of curb weight, Audi A6 Limousine is very slightly lighter – 1,845 kg compared to 1,915 kg. The difference is around 70 kg.

Looking at boot space, the Audi A6 Limousine offers noticeably more boot space – 492 L compared to 350 L. That’s a difference of about 142 L.

When it comes to payload, the Audi A6 Limousine carries noticeably more – 625 kg compared to 425 kg. That’s a difference of about 200 kg.

Who wins the race in the data check?

The Audi A6 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 £47,600
A6 Limousine

Audi A6 Limousine

  • Engine Type : Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 367 HP
  • Consumption L/100km : 2.2 - 7.3 L/100km
  • Electric Range : 97 - 105 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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Reviews Audi A6 Limousine

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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 A6 Limousine
BMW 8 Series Convertible

Costs and Consumption
Price
47,600 - 68,100 £
Price
99,400 - 165,800 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
6.9 - 11.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
180 - 255 g/km
Fuel tank capacity
-
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Sedan
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,845 - 2,220 kg
Curb weight
1,915 - 2,125 kg
Trunk capacity
354 - 492 L
Trunk capacity
350 L
Length
-
Length
4,851 - 4,867 mm
Width
1,875 mm
Width
1,902 - 1,907 mm
Height
-
Height
1,345 - 1,353 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
340 - 425 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
204 - 367 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
4.7 - 8.2 s
Acceleration 0-100km/h
3.3 - 5.5 s
Max Speed
-
Max Speed
250 km/h
Torque
340 - 580 Nm
Torque
500 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
150 - 270 kW
Power kW
245 - 460 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW
What drivetrain options does the Audi A6 Limousine have?

Available configurations include 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.