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Audi A5 Avant vs Mercedes C Class Wagon - Differences and prices compared

Compare performance (367 HP vs 680 HP), boot space and price (40200 £ vs 42400 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Mercedes C Class Wagon?

Audi A5 Avant

Mercedes C Class Wagon

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 has a minimal advantage in terms of price – it starts at 40200 £ , while the Mercedes C Class Wagon costs 42400 £ . That’s a price difference of around 2285 £.

Fuel consumption also shows a difference: Mercedes C Class Wagon manages with 0.40 L and is therefore clearly more efficient than the Audi A5 Avant with 2.10 L. The difference is about 1.70 L per 100 km.

As for electric range, the Mercedes C Class Wagon performs hardly perceptible better – achieving up to 112 km, about 4 km more than the Audi A5 Avant.

C Class Wagon

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 Mercedes C Class Wagon has a significantly edge – offering 680 HP compared to 367 HP. That’s roughly 313 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes C Class Wagon is clearly perceptible quicker – completing the sprint in 3.40 s, while the Audi A5 Avant takes 4.50 s. That’s about 1.10 s faster.

In terms of top speed, the Mercedes C Class Wagon performs somewhat better – reaching 280 km/h, while the Audi A5 Avant tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Mercedes C Class Wagon pulls clearly stronger with 1020 Nm compared to 550 Nm. That’s about 470 Nm difference.

A5 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.

Seats: Mercedes C Class Wagon offers slightly more seating capacity – 5 vs 4.

In curb weight, Mercedes C Class Wagon is barely noticeable lighter – 1755 kg compared to 1785 kg. The difference is around 30 kg.

In terms of boot space, the Mercedes C Class Wagon offers hardly perceptible more room – 490 L compared to 476 L. That’s a difference of about 14 L.

In maximum load capacity, the Mercedes C Class Wagon performs hardly perceptible better – up to 1510 L, which is about 86 L more than the Audi A5 Avant.

When it comes to payload, Mercedes C Class Wagon minimal takes the win – 565 kg compared to 535 kg. That’s a difference of about 30 kg.

Who wins the race?

The Mercedes C Class Wagon proves to be dominates this comparison 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 A5 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 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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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.

details
Audi A5 Avant
Mercedes C Class Wagon

Costs and Consumption

Price
40200 - 70000 £
Price
42400 - 115300 £
Consumption L/100km
2.1 - 7.7 L
Consumption L/100km
0.4 - 9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
104 - 108 km
Electric Range
11 - 112 km
Battery Capacity
20.70 kWh
Battery Capacity
19.50 kWh
co2
47 - 175 g/km
co2
11 - 206 g/km
Fuel tank capacity
46 - 60 L
Fuel tank capacity
40 - 66 L

Dimensions and Body

Body Type
Estate
Body Type
Estate
Seats
4
Seats
5
Doors
5
Doors
5
Curb weight
1785 - 2185 kg
Curb weight
1755 - 2235 kg
Trunk capacity
361 - 476 L
Trunk capacity
360 - 490 L
Length
4829 - 4835 mm
Length
4751 - 4842 mm
Width
1860 mm
Width
1820 - 1900 mm
Height
1444 - 1460 mm
Height
1454 - 1494 mm
Max trunk capacity
1306 - 1424 L
Max trunk capacity
1375 - 1510 L
Payload
480 - 535 kg
Payload
440 - 565 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 367 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
4.5 - 9.8 s
Acceleration 0-100km/h
3.4 - 8.8 s
Max Speed
214 - 250 km/h
Max Speed
226 - 280 km/h
Torque
280 - 550 Nm
Torque
250 - 1020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 270 kW
Power kW
137 - 500 kW
Engine capacity
1968 - 2995 cm3
Engine capacity
1496 - 1999 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
E, F, G, B, D
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A5 Avant?

The Audi A5 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.