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

Compare performance (367 HP vs 680 HP), boot space and price (38700 £ vs 42400 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Mercedes C-Class Wagon?

Audi A5 Sportback

Mercedes C-Class Wagon

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

A5 Sportback

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A5 Sportback has a slight advantage in terms of price – it starts at 38700 £ , while the Mercedes C-Class Wagon costs 42400 £ . That’s a price difference of around 3700 £.

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 Sportback with 2 L. The difference is about 1.60 L per 100 km.

As for electric range, the Mercedes C-Class Wagon performs barely noticeable better – achieving up to 112 km, about 2 km more than the Audi A5 Sportback.

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 distinct quicker – completing the sprint in 3.40 s, while the Audi A5 Sportback takes 4.50 s. That’s about 1.10 s faster.

In terms of top speed, the Mercedes C-Class Wagon performs a bit better – reaching 280 km/h, while the Audi A5 Sportback 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 convincingly stronger with 1020 Nm compared to 550 Nm. That’s about 470 Nm difference.

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A5 Sportback

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes C-Class Wagon offers a bit more seating capacity – 5 vs 4.

In curb weight, Mercedes C-Class Wagon is hardly perceptible lighter – 1755 kg compared to 1770 kg. The difference is around 15 kg.

In terms of boot space, the Mercedes C-Class Wagon offers barely noticeable more room – 490 L compared to 445 L. That’s a difference of about 45 L.

In maximum load capacity, the Mercedes C-Class Wagon performs to a small extent better – up to 1510 L, which is about 211 L more than the Audi A5 Sportback.

When it comes to payload, Mercedes C-Class Wagon minimal takes the win – 565 kg compared to 530 kg. That’s a difference of about 35 kg.

Who wins the race?

The Mercedes C-Class Wagon proves to be is largely superior 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
details
Audi A5 Sportback
Mercedes C-Class Wagon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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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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Reviews Audi A5 Sportback

Reviews Mercedes C-Class Wagon

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Costs and Consumption
Price
38700 - 68600 £
Price
42400 - 115300 £
Consumption L/100km
2 - 7.6 L
Consumption L/100km
0.4 - 9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
107 - 110 km
Electric Range
11 - 112 km
Battery Capacity
20.70 kWh
Battery Capacity
19.50 kWh
co2
45 - 172 g/km
co2
11 - 206 g/km
Fuel tank capacity
46 - 60 L
Fuel tank capacity
40 - 66 L

Dimensions and Body
Body Type
Hatchback
Body Type
Estate
Seats
4
Seats
5
Doors
5
Doors
5
Curb weight
1770 - 2170 kg
Curb weight
1755 - 2235 kg
Trunk capacity
331 - 445 L
Trunk capacity
360 - 490 L
Length
4829 - 4835 mm
Length
4751 - 4842 mm
Width
1860 mm
Width
1820 - 1900 mm
Height
1429 - 1444 mm
Height
1454 - 1494 mm
Max trunk capacity
1175 - 1299 L
Max trunk capacity
1375 - 1510 L
Payload
475 - 530 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
216 - 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

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Is the Audi A5 Sportback offered with different drivetrains?

Available configurations include 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.