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Audi A4 Avant vs Mercedes C Class Wagon - Differences and prices compared

Compare performance (470 HP vs 680 HP), boot space and price (37200 £ vs 42400 £ ) at a glance. Find out which car is the better choice for you – Audi A4 Avant or Mercedes C Class Wagon?

Audi A4 Avant

Mercedes C Class Wagon

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

A4 Avant

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A4 Avant has a slightly advantage in terms of price – it starts at 37200 £ , while the Mercedes C Class Wagon costs 42400 £ . That’s a price difference of around 5200 £.

Fuel consumption also shows a difference: Mercedes C Class Wagon manages with 0.40 L and is therefore significantly more efficient than the Audi A4 Avant with 4.80 L. The difference is about 4.40 L per 100 km.

C Class Wagon

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 Mercedes C Class Wagon has a clearly perceptible edge – offering 680 HP compared to 470 HP. That’s roughly 210 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes C Class Wagon is hardly perceptible quicker – completing the sprint in 3.40 s, while the Audi A4 Avant takes 3.70 s. That’s about 0.30 s faster.

In terms of top speed, the Audi A4 Avant performs slight better – reaching 300 km/h, while the Mercedes C Class Wagon tops out at 280 km/h. The difference is around 20 km/h.

There’s also a difference in torque: Mercedes C Class Wagon pulls convincingly stronger with 1020 Nm compared to 600 Nm. That’s about 420 Nm difference.

A4 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 curb weight, Audi A4 Avant is to a small extent lighter – 1595 kg compared to 1755 kg. The difference is around 160 kg.

In terms of boot space, the Audi A4 Avant offers hardly perceptible more room – 495 L compared to 490 L. That’s a difference of about 5 L.

In maximum load capacity, the Mercedes C Class Wagon performs barely noticeable better – up to 1510 L, which is about 15 L more than the Audi A4 Avant.

Maximum payload is identical – both can carry up to 565 kg.

Who wins the race?

The Mercedes C Class Wagon proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes C Class Wagon is the better all-rounder in this comparison.

from about £42,400
C Class Wagon

Mercedes C Class Wagon

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 0.4 - 9 L
  • Electric Range : 11 - 112 km
Audi A4 Avant
Mercedes C Class Wagon

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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Mercedes C Class Wagon

The Mercedes C-Class wagon dresses Mercedes refinement in a sensible, practical package, marrying a sleek estate silhouette with a plush, high-quality cabin that feels more premium than its badge implies. It quietly soaks up motorway miles and cartloads of family kit with composed handling and effortless comfort — a clever alternative to an SUV for buyers who still like to steer.

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Audi A4 Avant
Mercedes C Class Wagon

Costs and Consumption

Price
37200 - 122500 £
Price
42400 - 115300 £
Consumption L/100km
4.8 - 9.7 L
Consumption L/100km
0.4 - 9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 - 112 km
Battery Capacity
-
Battery Capacity
19.50 kWh
co2
126 - 220 g/km
co2
11 - 206 g/km
Fuel tank capacity
40 - 58 L
Fuel tank capacity
40 - 66 L

Dimensions and Body

Body Type
Estate
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1595 - 1820 kg
Curb weight
1755 - 2235 kg
Trunk capacity
495 L
Trunk capacity
360 - 490 L
Length
4750 - 4782 mm
Length
4751 - 4842 mm
Width
1842 - 1866 mm
Width
1820 - 1900 mm
Height
1428 - 1493 mm
Height
1454 - 1494 mm
Max trunk capacity
1495 L
Max trunk capacity
1375 - 1510 L
Payload
510 - 565 kg
Payload
440 - 565 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
Rear-Wheel Drive, All-Wheel Drive
Power HP
136 - 470 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.4 - 8.8 s
Max Speed
210 - 300 km/h
Max Speed
226 - 280 km/h
Torque
270 - 600 Nm
Torque
250 - 1020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
100 - 346 kW
Power kW
137 - 500 kW
Engine capacity
1968 - 2894 cm3
Engine capacity
1496 - 1999 cm3

General

Model Year
2023 - 2024
Model Year
2024 - 2025
CO2 Efficiency Class
E, F, D, G
CO2 Efficiency Class
E, F, G, B, D
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi A4 Avant have?

The Audi A4 Avant is offered with All-Wheel Drive or Front-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.