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Audi A6 Limousine vs BMW 8 Series Coupé comparison

Compare performance (367 HP vs 625 HP), boot space and price (47,600 £ vs 90,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or BMW 8 Series Coupé?

Audi A6 Limousine vs BMW 8 Series Coupé: Key differences

Audi A6 Limousine

  • significantly cheaper
  • considerably more efficient
  • slightly more trunk space
details

BMW 8 Series Coupé

  • significantly more power
  • substantially quicker 0–100 km/h
  • marginally lighter
details

By Achim Sedelmaier

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

A6 Limousine

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A6 Limousine is significantly cheaper – starting at 47,600 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 42,429 £.

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 Coupé with 6.7 L/100km. The difference is about 4.5 L/100km.

8 Series Coupé

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 BMW 8 Series Coupé offers significantly 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 Coupé is substantially quicker – completing the sprint in 3.2 s, while the Audi A6 Limousine takes 4.7 s. That’s about 1.5 s quicker.

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

A6 Limousine

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 8 Series Coupé is marginally lighter – 1,805 kg compared to 1,845 kg. The difference is around 40 kg.

Looking at boot space, the Audi A6 Limousine offers slightly more boot space – 492 L compared to 440 L. That’s a difference of about 52 L.

When it comes to payload, the Audi A6 Limousine carries moderately more – 625 kg compared to 545 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Audi A6 Limousine 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 £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
details

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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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BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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BMW 8 Series Coupé

Costs and Consumption
Price
47,600 - 68,100 £
Price
90,000 - 158,900 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
6.7 - 11.5 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
176 - 263 g/km
Fuel tank capacity
-
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
4 - 5
Doors
-
Doors
2 - 4
Curb weight
1,845 - 2,220 kg
Curb weight
1,805 - 2,085 kg
Trunk capacity
354 - 492 L
Trunk capacity
420 - 440 L
Length
-
Length
4,851 - 5,098 mm
Width
1,875 mm
Width
1,902 - 1,943 mm
Height
-
Height
1,346 - 1,420 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 625 kg
Payload
370 - 545 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
3.2 - 5.4 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.