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Audi A3 Sportback vs Mercedes C Class Wagon comparison

Compare performance (400 HP vs 680 HP), boot space and price (27,000 £ vs 42,600 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Mercedes C Class Wagon?

Audi A3 Sportback vs Mercedes C Class Wagon: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • clearly cheaper
  • noticeably more electric range
  • clearly lighter

Mercedes C Class Wagon

  • significantly more power
  • substantially more efficient
  • somewhat quicker 0–100 km/h
  • clearly more trunk space

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

A3 Sportback

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A3 Sportback is clearly cheaper – starting at 27,000 £ , while the Mercedes C Class Wagon costs 42,600 £ . That’s a price difference of around 15,600 £.

Fuel consumption also shows a difference: the Mercedes C Class Wagon uses 0.4 L/100km and is substantially more efficient than the Audi A3 Sportback with 1.1 L/100km. The difference is about 0.7 L/100km.

As for electric range, the Audi A3 Sportback offers noticeably more range – reaching up to 141 km, about 29 km more than the Mercedes C Class Wagon.

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 offers significantly more power – delivering 680 HP compared to 400 HP. That’s roughly 280 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Wagon is somewhat quicker – completing the sprint in 3.4 s, while the Audi A3 Sportback takes 3.8 s. That’s about 0.4 s quicker.

Looking at top speed, the Mercedes C Class Wagon is somewhat faster – reaching 280 km/h, while the Audi A3 Sportback tops out at 237 km/h. The difference is around 43 km/h.

There’s also a difference in torque: the Mercedes C Class Wagon delivers significantly more torque with 1,020 Nm compared to 500 Nm. That’s about 520 Nm more.

A3 Sportback

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 terms of curb weight, Audi A3 Sportback is clearly lighter – 1,360 kg compared to 1,755 kg. The difference is around 395 kg.

Looking at boot space, the Mercedes C Class Wagon offers clearly more boot space – 490 L compared to 380 L. That’s a difference of about 110 L.

For maximum load capacity, the Mercedes C Class Wagon offers moderately more capacity – up to 1,375 L, about 275 L more than the Audi A3 Sportback.

When it comes to payload, the Mercedes C Class Wagon carries a bit more – 565 kg compared to 480 kg. That’s a difference of about 85 kg.

Who wins the race in the data check?

The Mercedes C Class Wagon stands well ahead of its rival 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 £42,600
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/100km
  • Electric Range : 11 - 112 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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 Mercedes C Class Wagon

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Mercedes C Class Wagon

Costs and Consumption
Price
27,000 - 56,600 £
Price
42,600 - 104,400 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
0.4 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
11 - 112 km
Battery Capacity
19.7 kWh
Battery Capacity
19.5 kWh
co2
25 - 211 g/km
co2
11 - 205 g/km
Fuel tank capacity
40 L
Fuel tank capacity
50 - 60 L

Dimensions and Body
Body Type
Hatchback
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,360 - 1,685 kg
Curb weight
1,755 - 2,235 kg
Trunk capacity
280 - 380 L
Trunk capacity
360 - 490 L
Length
4,352 - 4,353 mm
Length
4,751 - 4,842 mm
Width
1,816 - 1,851 mm
Width
1,820 - 1,900 mm
Height
1,441 - 1,470 mm
Height
1,454 - 1,474 mm
Max trunk capacity
1,100 L
Max trunk capacity
1,375 L
Payload
410 - 480 kg
Payload
440 - 565 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 400 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
3.4 - 8.8 s
Max Speed
225 - 237 km/h
Max Speed
232 - 280 km/h
Torque
220 - 500 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4 - 5
Number of Cylinders
4
Power kW
85 - 294 kW
Power kW
137 - 500 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
E, F, G, B, D
Brand
Audi
Brand
Mercedes-Benz
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is available as 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.