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Audi A8 vs Mercedes A Class Saloon comparison

Compare performance (571 HP vs 320 HP), boot space and price (91,400 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Mercedes A Class Saloon?

Audi A8 vs Mercedes A Class Saloon: Key differences

Audi A8

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  • clearly more power
  • visibly quicker 0–100 km/h
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Mercedes A Class Saloon

  • significantly cheaper
  • substantially more efficient
  • markedly more electric range
  • clearly lighter
  • only slightly more trunk space
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By Achim Sedelmaier

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.

Mercedes A Class Saloon is significantly cheaper – starting at 32,700 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 58,650 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is substantially more efficient than the Audi A8 with 4.6 L/100km. The difference is about 3.9 L/100km.

As for electric range, the Mercedes A Class Saloon offers markedly more range – reaching up to 88 km, about 30 km more than the Audi A8.

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 A8 offers clearly more power – delivering 571 HP compared to 320 HP. That’s roughly 251 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A8 is visibly quicker – completing the sprint in 3.8 s, while the Mercedes A Class Saloon takes 4.8 s. That’s about 1 s quicker.

There’s also a difference in torque: the Audi A8 delivers significantly more torque with 800 Nm compared to 450 Nm. That’s about 350 Nm more.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class Saloon is clearly lighter – 1,450 kg compared to 2,035 kg. The difference is around 585 kg.

Looking at boot space, the Mercedes A Class Saloon offers only slightly more boot space – 395 L compared to 390 L. That’s a difference of about 5 L.

When it comes to payload, the Audi A8 carries visibly more – 700 kg compared to 490 kg. That’s a difference of about 210 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 A8
Mercedes A Class Saloon

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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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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Reviews Mercedes A Class Saloon

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Audi A8
Mercedes A Class Saloon

Costs and Consumption
Price
91,400 - 134,900 £
Price
32,700 - 55,900 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
105 - 260 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
2,035 - 2,415 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
390 L
Trunk capacity
345 - 395 L
Length
-
Length
4,558 - 4,570 mm
Width
1,945 mm
Width
1,796 mm
Height
-
Height
1,413 - 1,429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, 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
286 - 571 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
-
Max Speed
206 - 250 km/h
Torque
500 - 800 Nm
Torque
200 - 450 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
210 - 420 kW
Power kW
85 - 235 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, C
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz
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.