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Audi A6 Avant vs Mercedes A Class Saloon comparison

Compare performance (367 HP vs 320 HP), boot space and price (49,700 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Mercedes A Class Saloon?

Audi A6 Avant vs Mercedes A Class Saloon: Key differences

Audi A6 Avant

  • slightly more power
  • moderately more electric range
  • very slightly quicker 0–100 km/h
  • visibly more trunk space
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Mercedes A Class Saloon

  • significantly cheaper
  • clearly more efficient
  • noticeably lighter
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By Achim Sedelmaier

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

A6 Avant

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes A Class Saloon is significantly cheaper – starting at 32,700 £ , while the Audi A6 Avant costs 49,700 £ . That’s a price difference of around 16,993 £.

Fuel consumption also shows a difference: the Mercedes A Class Saloon uses 0.7 L/100km and is clearly more efficient than the Audi A6 Avant with 2.3 L/100km. The difference is about 1.6 L/100km.

As for electric range, the Audi A6 Avant offers moderately more range – reaching up to 101 km, about 13 km more than the Mercedes A Class Saloon.

A Class Saloon

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 A6 Avant offers slightly more power – delivering 367 HP compared to 320 HP. That’s roughly 47 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 Avant is very slightly quicker – completing the sprint in 4.7 s, while the Mercedes A Class Saloon takes 4.8 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi A6 Avant delivers markedly more torque with 580 Nm compared to 450 Nm. That’s about 130 Nm more.

A6 Avant

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 noticeably lighter – 1,450 kg compared to 1,865 kg. The difference is around 415 kg.

Looking at boot space, the Audi A6 Avant offers visibly more boot space – 503 L compared to 395 L. That’s a difference of about 108 L.

When it comes to payload, the Audi A6 Avant carries a bit more – 570 kg compared to 490 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Mercedes A Class Saloon 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 £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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

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Reviews Audi A6 Avant

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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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Mercedes A Class Saloon

Costs and Consumption
Price
49,700 - 70,200 £
Price
32,700 - 55,900 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
0.7 - 8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
53 - 170 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Estate
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,865 - 2,240 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
404 - 503 L
Trunk capacity
345 - 395 L
Length
-
Length
4,558 - 4,570 mm
Width
1,875 mm
Width
1,796 mm
Height
-
Height
1,413 - 1,429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
-
Max Speed
206 - 250 km/h
Torque
340 - 580 Nm
Torque
200 - 450 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
150 - 270 kW
Power kW
85 - 235 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with Front-Wheel Drive or 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.