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BMW 3 Series Saloon vs Mercedes C Class Sedan comparison

Compare performance (530 HP vs 680 HP), boot space and price (39,900 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Mercedes C Class Sedan?

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

BMW 3 Series Saloon

  • marginally cheaper
  • considerably more efficient
  • substantially more electric range
  • only slightly lighter
  • marginally more trunk space
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Mercedes C Class Sedan

  • markedly more power
  • very slightly quicker 0–100 km/h
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By Achim Sedelmaier

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

3 Series Saloon

Costs and Efficiency:

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

BMW 3 Series Saloon is marginally cheaper – starting at 39,900 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 1,383 £.

Fuel consumption also shows a difference: the BMW 3 Series Saloon uses 2.4 L/100km and is considerably more efficient than the Mercedes C Class Sedan with 4.5 L/100km. The difference is about 2.1 L/100km.

As for electric range, the BMW 3 Series Saloon offers substantially more range – reaching up to 101 km, about 90 km more than the Mercedes C Class Sedan.

C Class Sedan

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 Sedan offers markedly 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 Sedan 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.

There’s also a difference in torque: the Mercedes C Class Sedan delivers markedly 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 only slightly lighter – 1,575 kg compared to 1,695 kg. The difference is around 120 kg.

Looking at boot space, the BMW 3 Series Saloon offers marginally more boot space – 480 L compared to 455 L. That’s a difference of about 25 L.

When it comes to payload, the Mercedes C Class Sedan carries somewhat more – 570 kg compared to 495 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon is clearly superior overall 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 £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic, Manuel
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 150 - 530 HP
  • Consumption L/100km : 2.4 - 10.1 L/100km
  • Electric Range : 96 - 101 km
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Mercedes C Class Sedan
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BMW 3 Series Saloon
Mercedes C Class Sedan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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.

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Reviews BMW 3 Series Saloon

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Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Reviews Mercedes C Class Sedan

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The Mercedes B-Klasse and C-Klasse Limousine are distinct in their appeal, catering to different automotive preferences. The B-Klasse offers a spacious interior and versatility ideal for family-oriented buyers, while the C-Klasse Limousine crafts a more luxurious experience with its sleek design …
BMW 3 Series Saloon
Mercedes C Class Sedan

Costs and Consumption
Price
39,900 - 91,000 £
Price
41,300 - 103,400 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,575 - 1,960 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
375 - 480 L
Trunk capacity
455 L
Length
-
Length
-
Width
1,827 - 1,903 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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
183 - 680 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
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
135 - 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, D, G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon is available as Rear-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.