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BMW 3 Series Saloon vs Mercedes C Class Wagon comparison

Compare performance (530 HP vs 680 HP), boot space and price (39,900 £ vs 42,600 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Mercedes C Class Wagon?

BMW 3 Series Saloon vs Mercedes C Class Wagon: Key differences

BMW 3 Series Saloon

  • marginally cheaper
  • slightly lighter

Mercedes C Class Wagon

  • visibly more power
  • clearly more efficient
  • barely more electric range
  • very slightly quicker 0–100 km/h
  • barely more trunk space

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

3 Series Saloon

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.

BMW 3 Series Saloon is marginally cheaper – starting at 39,900 £ , while the Mercedes C Class Wagon costs 42,600 £ . That’s a price difference of around 2,658 £.

Fuel consumption also shows a difference: the Mercedes C Class Wagon uses 0.4 L/100km and is clearly more efficient than the BMW 3 Series Saloon with 2.4 L/100km. The difference is about 2 L/100km.

As for electric range, the Mercedes C Class Wagon offers barely more range – reaching up to 112 km, about 11 km more than the BMW 3 Series Saloon.

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 visibly more power – delivering 680 HP compared to 530 HP. That’s roughly 150 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Wagon is very slightly quicker – completing the sprint in 3.4 s, while the BMW 3 Series Saloon takes 3.5 s. That’s about 0.1 s quicker.

Looking at top speed, the Mercedes C Class Wagon is slightly faster – reaching 280 km/h, while the BMW 3 Series Saloon tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: the Mercedes C Class Wagon delivers noticeably more torque with 1,020 Nm compared to 700 Nm. That’s about 320 Nm more.

3 Series Saloon

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 3 Series Saloon is slightly lighter – 1,575 kg compared to 1,755 kg. The difference is around 180 kg.

Looking at boot space, the Mercedes C Class Wagon offers barely more boot space – 490 L compared to 480 L. That’s a difference of about 10 L.

When it comes to payload, the Mercedes C Class Wagon carries a bit more – 565 kg compared to 495 kg. That’s a difference of about 70 kg.

Who wins the race in the data check?

The Mercedes C Class Wagon is decisively ahead 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
BMW 3 Series Saloon
Mercedes C Class Wagon

Costs and Consumption

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Engine and Performance

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Dimensions and Body

View detailed analysis

BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

details

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
BMW 3 Series Saloon
Mercedes C Class Wagon

Costs and Consumption

Price
39,900 - 91,000 £
Price
42,600 - 104,400 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
0.4 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
11 - 112 km
Battery Capacity
19.5 kWh
Battery Capacity
19.5 kWh
co2
54 - 227 g/km
co2
11 - 205 g/km
Fuel tank capacity
40 - 59 L
Fuel tank capacity
50 - 60 L

Dimensions and Body

Body Type
Sedan
Body Type
Estate
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1,575 - 1,960 kg
Curb weight
1,755 - 2,235 kg
Trunk capacity
375 - 480 L
Trunk capacity
360 - 490 L
Length
4,713 mm
Length
4,751 - 4,842 mm
Width
1,827 - 1,903 mm
Width
1,820 - 1,900 mm
Height
1,440 - 1,446 mm
Height
1,454 - 1,474 mm
Max trunk capacity
-
Max trunk capacity
1,375 L
Payload
405 - 495 kg
Payload
440 - 565 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 530 HP
Power HP
186 - 680 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
3.4 - 8.8 s
Max Speed
218 - 250 km/h
Max Speed
232 - 280 km/h
Torque
250 - 700 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 390 kW
Power kW
137 - 500 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,496 - 1,999 cm3

General

Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
E, F, G, B, D
Brand
BMW
Brand
Mercedes-Benz
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.