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Audi Q8 vs Audi A6 Limousine comparison

Compare performance (640 HP vs 367 HP), boot space and price (77,300 £ vs 47,600 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Audi A6 Limousine?

Audi Q8 vs Audi A6 Limousine: Key differences

Audi Q8

  • considerably more power
  • clearly quicker 0–100 km/h
  • moderately more trunk space
details

Audi A6 Limousine

  • substantially cheaper
  • significantly more efficient
  • markedly more electric range
  • moderately lighter
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By Achim Sedelmaier

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

Q8

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 Limousine is substantially cheaper – starting at 47,600 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 29,743 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is significantly more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 1.7 L/100km.

As for electric range, the Audi A6 Limousine offers markedly more range – reaching up to 105 km, about 25 km more than the Audi Q8.

A6 Limousine

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 Audi Q8 offers considerably more power – delivering 640 HP compared to 367 HP. That’s roughly 273 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is clearly quicker – completing the sprint in 3.6 s, while the Audi A6 Limousine takes 4.7 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Audi Q8 delivers markedly more torque with 850 Nm compared to 580 Nm. That’s about 270 Nm more.

Q8

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A6 Limousine is moderately lighter – 1,845 kg compared to 2,175 kg. The difference is around 330 kg.

Looking at boot space, the Audi Q8 offers moderately more boot space – 605 L compared to 492 L. That’s a difference of about 113 L.

When it comes to payload, the Audi Q8 carries only slightly more – 665 kg compared to 625 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Audi A6 Limousine shows a few small advantages 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

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View detailed analysis

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Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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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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Audi A6 Limousine

Costs and Consumption
Price
77,300 - 137,100 £
Price
47,600 - 68,100 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
2.2 - 7.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
97 - 105 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
49 - 166 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
1,845 - 2,220 kg
Trunk capacity
439 - 605 L
Trunk capacity
354 - 492 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
535 - 625 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
231 - 640 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.7 - 8.2 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
340 - 580 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
170 - 471 kW
Power kW
150 - 270 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
F, D, E, B
Brand
Audi
Brand
Audi
What drivetrain options does the Audi Q8 have?

Available configurations include 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.