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Audi A8 vs Audi Q8 - Differences and prices compared

Compare performance (571 HP vs 640 HP), boot space and price (91400 £ vs 77300 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Audi Q8?

Audi A8

5 (1 Reviews)
rate

Audi Q8

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

A8

Costs and Efficiency:

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

Audi Q8 has a slightly advantage in terms of price – it starts at 77300 £ , while the Audi A8 costs 91400 £ . That’s a price difference of around 14057 £.

Fuel consumption also shows a difference: Audi Q8 manages with 3.90 L and is therefore a bit more efficient than the Audi A8 with 4.60 L. The difference is about 0.70 L per 100 km.

As for electric range, the Audi Q8 performs distinct better – achieving up to 80 km, about 22 km more than the Audi A8.

Q8

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 has a somewhat edge – offering 640 HP compared to 571 HP. That’s roughly 69 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi Q8 is slight quicker – completing the sprint in 3.60 s, while the Audi A8 takes 3.80 s. That’s about 0.20 s faster.

There’s also a difference in torque: Audi Q8 pulls slight stronger with 850 Nm compared to 800 Nm. That’s about 50 Nm difference.

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 curb weight, Audi A8 is slight lighter – 2035 kg compared to 2175 kg. The difference is around 140 kg.

In terms of boot space, the Audi Q8 offers slightly more room – 605 L compared to 505 L. That’s a difference of about 100 L.

When it comes to payload, Audi A8 slight takes the win – 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 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.

Audi A8
Audi Q8

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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
  • Electric Range : 80 km
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Audi A8

5 (1 Reviews)
rate

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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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 A8

5 (1 Reviews)
rate

Reviews Audi Q8

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Costs and Consumption
Price
91400 - 134900 £
Price
77300 - 137100 £
Consumption L/100km
4.6 - 11.5 L
Consumption L/100km
3.9 - 13.1 L
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
82 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
2035 - 2415 kg
Curb weight
2175 - 2490 kg
Trunk capacity
390 - 505 L
Trunk capacity
439 - 605 L
Length
5190 - 5320 mm
Length
-
Width
1945 mm
Width
1995 - 2007 mm
Height
1473 - 1488 mm
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
250 km/h
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
2967 - 3996 cm3
Engine capacity
2967 - 3996 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G, B
Brand
Audi
Brand
Audi

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Is the Audi A8 offered with different drivetrains?

The Audi A8 is offered with All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.