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BMW iX3 vs Mercedes C-Class Saloon comparison

Compare performance (469 HP vs 680 HP), boot space and price (54,300 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes C-Class Saloon?

BMW iX3 vs Mercedes C-Class Saloon: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • substantially more electric range
details

Mercedes C-Class Saloon

  • clearly cheaper
  • markedly more power
  • significantly quicker 0–100 km/h
  • clearly lighter
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

iX3

Costs and Efficiency:

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

Mercedes C-Class Saloon is clearly cheaper – starting at 41,300 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 13,017 £.

As for electric range, the BMW iX3 offers substantially more range – reaching up to 805 km, about 794 km more than the Mercedes C-Class Saloon.

C-Class Saloon

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 Saloon offers markedly more power – delivering 680 HP compared to 469 HP. That’s roughly 211 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is significantly quicker – completing the sprint in 3.4 s, while the BMW iX3 takes 4.9 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers clearly more torque with 1,020 Nm compared to 645 Nm. That’s about 375 Nm more.

iX3

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, Mercedes C-Class Saloon is clearly lighter – 1,695 kg compared to 2,360 kg. The difference is around 665 kg.

When it comes to payload, the Mercedes C-Class Saloon carries slightly more – 570 kg compared to 465 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The Mercedes C-Class Saloon is slightly 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 £41,300
C-Class Saloon

Mercedes C-Class Saloon

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 4.5 - 9 L/100km
  • Electric Range : 11 km
details

Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

Mercedes C-Class Saloon

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 Saloon

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

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Mercedes C-Class Saloon

Costs and Consumption
Price
54,300 - 66,300 £
Price
41,300 - 103,400 £
Consumption L/100km
-
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
-
Electric Range
635 - 805 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,360 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
-
Trunk capacity
455 L
Length
-
Length
-
Width
1,895 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
320 - 469 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
235 - 345 kW
Power kW
135 - 500 kW
Engine capacity
-
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, D, G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW iX3?

Available configurations include All-Wheel Drive or Rear-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.