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Audi A5 Avant vs Audi Q8 comparison

Compare performance (639 HP vs 640 HP), boot space and price (41,600 £ vs 77,300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Audi Q8?

Audi A5 Avant vs Audi Q8: Key differences

Audi A5 Avant

  • considerably cheaper
  • significantly more efficient
  • markedly more electric range
  • clearly lighter

Audi Q8

  • only slightly more power
  • marginally quicker 0–100 km/h
  • clearly more trunk space

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

A5 Avant

Costs and Efficiency:

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

Audi A5 Avant is considerably cheaper – starting at 41,600 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 35,700 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is significantly more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 1.8 L/100km.

As for electric range, the Audi A5 Avant offers markedly more range – reaching up to 108 km, about 28 km more than the Audi Q8.

Q8

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi Q8 offers only slightly more power – delivering 640 HP compared to 639 HP. That’s roughly 1 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 A5 Avant takes 3.7 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi Q8 delivers marginally more torque with 850 Nm compared to 825 Nm. That’s about 25 Nm more.

A5 Avant

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 A5 Avant is clearly lighter – 1,785 kg compared to 2,175 kg. The difference is around 390 kg.

Looking at boot space, the Audi Q8 offers clearly more boot space – 605 L compared to 361 L. That’s a difference of about 244 L.

When it comes to payload, the Audi Q8 carries somewhat more – 665 kg compared to 535 kg. That’s a difference of about 130 kg.

Who wins the race in the data check?

The Audi A5 Avant is far ahead overall 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 £41,600
A5 Avant

Audi A5 Avant

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2.1 - 7.7 L/100km
  • Electric Range : 83 - 108 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 A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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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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Costs and Consumption
Price
41,600 - 92,400 £
Price
77,300 - 137,100 £
Consumption L/100km
2.1 - 7.7 L/100km
Consumption L/100km
3.9 - 13.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 108 km
Electric Range
80 km
Battery Capacity
20.7 kWh
Battery Capacity
-
co2
47 - 175 g/km
co2
88 - 297 g/km
Fuel tank capacity
46 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
4 - 5
Seats
5
Doors
5
Doors
-
Curb weight
1,785 - 2,445 kg
Curb weight
2,175 - 2,490 kg
Trunk capacity
361 L
Trunk capacity
439 - 605 L
Length
4,829 mm
Length
-
Width
1,860 - 1,952 mm
Width
1,995 - 2,007 mm
Height
1,460 mm
Height
-
Max trunk capacity
1,306 L
Max trunk capacity
-
Payload
480 - 535 kg
Payload
620 - 665 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 639 HP
Power HP
231 - 640 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.6 - 7.1 s
Max Speed
250 km/h
Max Speed
-
Torque
280 - 825 Nm
Torque
500 - 850 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
110 - 470 kW
Power kW
170 - 471 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,967 - 3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
G, B
Brand
Audi
Brand
Audi
What drive types are available for the Audi A5 Avant?

Available configurations include All-Wheel Drive or Front-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.