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Audi A8 vs Audi Q8 comparison

Compare performance (571 HP vs 640 HP), boot space and price (91,400 £ vs 77,300 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Audi Q8?

Audi A8 vs Audi Q8: Key differences

Audi A8

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  • marginally lighter

Audi Q8

  • slightly cheaper
  • slightly more power
  • moderately more efficient
  • clearly more electric range
  • marginally quicker 0–100 km/h
  • noticeably more trunk space

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

A8

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 Q8 is slightly cheaper – starting at 77,300 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 14,057 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is moderately more efficient than the Audi A8 with 4.6 L/100km. The difference is about 0.7 L/100km.

As for electric range, the Audi Q8 offers clearly more range – reaching up to 80 km, about 22 km more than the Audi A8.

Q8

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 Audi Q8 offers slightly more power – delivering 640 HP compared to 571 HP. That’s roughly 69 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is marginally quicker – completing the sprint in 3.6 s, while the Audi A8 takes 3.8 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi Q8 delivers marginally more torque with 850 Nm compared to 800 Nm. That’s about 50 Nm more.

A8

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, Audi A8 is marginally lighter – 2,035 kg compared to 2,175 kg. The difference is around 140 kg.

Looking at boot space, the Audi Q8 offers noticeably more boot space – 605 L compared to 390 L. That’s a difference of about 215 L.

When it comes to payload, the Audi A8 carries very slightly more – 700 kg compared to 665 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Audi Q8 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 £77,300
Q8

Audi Q8

  • Engine Type : Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 231 - 640 HP
  • Consumption L/100km : 3.9 - 13.1 L/100km
  • Electric Range : 80 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 A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

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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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Reviews Audi Q8

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Frequently compared as well

Audi Q8
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Audi A8
Audi Q8

Costs and Consumption
Price
91,400 - 134,900 £
Price
77,300 - 137,100 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
3.9 - 13.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
80 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
88 - 297 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,035 - 2,415 kg
Curb weight
2,175 - 2,490 kg
Trunk capacity
390 L
Trunk capacity
439 - 605 L
Length
-
Length
-
Width
1,945 mm
Width
1,995 - 2,007 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
620 - 665 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
286 - 571 HP
Power HP
231 - 640 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.6 - 7.1 s
Max Speed
-
Max Speed
-
Torque
500 - 800 Nm
Torque
500 - 850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
210 - 420 kW
Power kW
170 - 471 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,967 - 3,996 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G, B
Brand
Audi
Brand
Audi
What drive types are available for the Audi A8?

The Audi A8 is available as 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.