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Audi A6 Avant vs BMW 8 Series Coupé comparison

Compare performance (367 HP vs 625 HP), boot space and price (49,700 £ vs 90,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or BMW 8 Series Coupé?

Audi A6 Avant vs BMW 8 Series Coupé: Key differences

Audi A6 Avant

  • substantially cheaper
  • clearly more efficient
  • a bit more trunk space

BMW 8 Series Coupé

  • substantially more power
  • significantly quicker 0–100 km/h
  • only slightly lighter

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

A6 Avant

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 A6 Avant is substantially cheaper – starting at 49,700 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 40,286 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is clearly more efficient than the BMW 8 Series Coupé with 6.7 L/100km. The difference is about 4.4 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 substantially 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 significantly quicker – completing the sprint in 3.2 s, while the Audi A6 Avant takes 4.7 s. That’s about 1.5 s quicker.

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

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

A6 Avant

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 8 Series Coupé is only slightly lighter – 1,805 kg compared to 1,865 kg. The difference is around 60 kg.

Looking at boot space, the Audi A6 Avant offers a bit more boot space – 503 L compared to 440 L. That’s a difference of about 63 L.

When it comes to payload, the Audi A6 Avant carries only slightly more – 570 kg compared to 545 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Audi A6 Avant stands well ahead of its rival 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 £49,700
A6 Avant

Audi A6 Avant

  • Engine Type : Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 367 HP
  • Consumption L/100km : 2.3 - 7.5 L/100km
  • Electric Range : 94 - 101 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 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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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
49,700 - 70,200 £
Price
90,000 - 158,900 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
6.7 - 11.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
176 - 263 g/km
Fuel tank capacity
56 - 60 L
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Estate
Body Type
Coupe
Seats
5
Seats
4 - 5
Doors
5
Doors
2 - 4
Curb weight
1,865 - 2,240 kg
Curb weight
1,805 - 2,085 kg
Trunk capacity
404 - 503 L
Trunk capacity
420 - 440 L
Length
4,999 mm
Length
4,851 - 5,098 mm
Width
1,875 mm
Width
1,902 - 1,943 mm
Height
1,472 mm
Height
1,346 - 1,420 mm
Max trunk capacity
1,497 - 1,534 L
Max trunk capacity
-
Payload
535 - 570 kg
Payload
370 - 545 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel 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 - 8.3 s
Acceleration 0-100km/h
3.2 - 5.4 s
Max Speed
238 - 250 km/h
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
2,025
Model Year
2,024
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with 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.