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BMW 3 Series Saloon vs Mazda CX-30 comparison

Compare performance (530 HP vs 186 HP), boot space and price (39,900 £ vs 25,200 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Mazda CX-30?

BMW 3 Series Saloon vs Mazda CX-30: Key differences

BMW 3 Series Saloon

  • significantly more power
  • substantially more efficient
  • significantly quicker 0–100 km/h
  • a bit more trunk space

Mazda CX-30

4.6 (3 Reviews)
rate
  • substantially cheaper
  • marginally lighter

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

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.

Mazda CX-30 is substantially cheaper – starting at 25,200 £ , while the BMW 3 Series Saloon costs 39,900 £ . That’s a price difference of around 14,708 £.

Fuel consumption also shows a difference: the BMW 3 Series Saloon uses 2.4 L/100km and is substantially more efficient than the Mazda CX-30 with 5.7 L/100km. The difference is about 3.3 L/100km.

CX-30

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 BMW 3 Series Saloon offers significantly more power – delivering 530 HP compared to 186 HP. That’s roughly 344 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 3 Series Saloon is significantly quicker – completing the sprint in 3.5 s, while the Mazda CX-30 takes 8.3 s. That’s about 4.8 s quicker.

There’s also a difference in torque: the BMW 3 Series Saloon delivers considerably more torque with 700 Nm compared to 240 Nm. That’s about 460 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, Mazda CX-30 is marginally lighter – 1,455 kg compared to 1,575 kg. The difference is around 120 kg.

Looking at boot space, the BMW 3 Series Saloon offers a bit more boot space – 480 L compared to 430 L. That’s a difference of about 50 L.

When it comes to payload, the Mazda CX-30 carries barely more – 496 kg compared to 495 kg. That’s a difference of about 1 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
details

Frequently compared as well

Mazda CX-30
Suzuki S-Cross
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BMW 3 Series Saloon
Mazda CX-30

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.

details
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Reviews BMW 3 Series Saloon

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

Mazda CX-30

The Mazda CX-30 blends sleek coupe-like lines with the practicality of a compact crossover, feeling more premium than its price tag suggests. It’s a joy to drive for anyone who likes a taut chassis and an interior that treats daily commutes like a small luxury escape.

details
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Reviews Mazda CX-30

4.6 (3 Reviews)
rate
Stefan Zapp
31 Jan 2026, 22:32:56

I drive a CX30 with 150 hp. I'm very satisfied with the car.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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The Mazda CX-30 feels like a little premium driver’s car with sharper handling, a beautifully put-together interior and just the sort of polish that makes daily drives more enjoyable, while the Toyota Yaris Cross leans hard into practicality and hybrid efficiency for city life. Pick the CX-30 if …
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BMW 3 Series Saloon
Mazda CX-30

Costs and Consumption
Price
39,900 - 91,000 £
Price
25,200 - 36,800 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
5.7 - 6.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
96 - 101 km
Electric Range
-
Battery Capacity
19.5 kWh
Battery Capacity
-
co2
54 - 227 g/km
co2
129 - 148 g/km
Fuel tank capacity
40 - 59 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
1,575 - 1,960 kg
Curb weight
1,455 - 1,587 kg
Trunk capacity
375 - 480 L
Trunk capacity
422 - 430 L
Length
4,713 mm
Length
-
Width
1,827 - 1,903 mm
Width
1,795 mm
Height
1,440 - 1,446 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
458 - 496 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic, Manuel
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
150 - 530 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
8.3 - 10.3 s
Max Speed
218 - 250 km/h
Max Speed
-
Torque
250 - 700 Nm
Torque
238 - 240 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 390 kW
Power kW
103 - 137 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,998 - 2,488 cm3

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