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Audi Q8 vs Mercedes A Class Saloon comparison

Compare performance (640 HP vs 320 HP), boot space and price (77,300 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Mercedes A Class Saloon?

Audi Q8 vs Mercedes A Class Saloon: Key differences

Audi Q8

  • significantly more power
  • clearly quicker 0–100 km/h
  • markedly more trunk space

Mercedes A Class Saloon

  • clearly cheaper
  • substantially more efficient
  • marginally more electric range
  • substantially lighter

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

Q8

Costs and Efficiency:

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

Mercedes A Class Saloon is clearly cheaper – starting at 32,700 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 44,593 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is substantially more efficient than the Audi Q8 with 3.9 L/100km. The difference is about 3.2 L/100km.

As for electric range, the Mercedes A Class Saloon offers marginally more range – reaching up to 88 km, about 8 km more than the Audi Q8.

A Class Saloon

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 significantly more power – delivering 640 HP compared to 320 HP. That’s roughly 320 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 Mercedes A Class Saloon takes 4.8 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Audi Q8 delivers considerably more torque with 850 Nm compared to 450 Nm. That’s about 400 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, Mercedes A Class Saloon is substantially lighter – 1,450 kg compared to 2,175 kg. The difference is around 725 kg.

Looking at boot space, the Audi Q8 offers markedly more boot space – 605 L compared to 395 L. That’s a difference of about 210 L.

When it comes to payload, the Audi Q8 carries markedly more – 665 kg compared to 490 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The Mercedes A Class Saloon is clearly superior 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 £32,700
A Class Saloon

Mercedes A Class Saloon

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 0.7 - 8.1 L/100km
  • Electric Range : 88 km
details

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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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Mercedes A Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

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Mercedes A Class Saloon

Costs and Consumption
Price
77,300 - 137,100 £
Price
32,700 - 55,900 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
88 - 297 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
2,175 - 2,490 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
439 - 605 L
Trunk capacity
345 - 395 L
Length
-
Length
4,558 - 4,570 mm
Width
1,995 - 2,007 mm
Width
1,796 mm
Height
-
Height
1,413 - 1,429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
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
116 - 320 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
-
Max Speed
206 - 250 km/h
Torque
500 - 850 Nm
Torque
200 - 450 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
170 - 471 kW
Power kW
85 - 235 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz
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.