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BMW 5 Series Saloon vs Mazda 3 Sedan comparison

Compare performance (727 HP vs 186 HP), boot space and price (50,800 £ vs 25,000 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Saloon or Mazda 3 Sedan?

BMW 5 Series Saloon vs Mazda 3 Sedan: Key differences

BMW 5 Series Saloon

  • significantly more power
  • substantially more efficient
  • substantially quicker 0–100 km/h
  • moderately more trunk space
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Mazda 3 Sedan

4.7 (1 Reviews)
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  • considerably cheaper
  • visibly lighter
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By Achim Sedelmaier

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

5 Series Saloon

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mazda 3 Sedan is considerably cheaper – starting at 25,000 £ , while the BMW 5 Series Saloon costs 50,800 £ . That’s a price difference of around 25,851 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is substantially more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 3.4 L/100km.

3 Sedan

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 5 Series Saloon offers significantly more power – delivering 727 HP compared to 186 HP. That’s roughly 541 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is substantially quicker – completing the sprint in 3.5 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 4.6 s quicker.

There’s also a difference in torque: the BMW 5 Series Saloon delivers clearly more torque with 1,000 Nm compared to 240 Nm. That’s about 760 Nm more.

5 Series Saloon

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, Mazda 3 Sedan is visibly lighter – 1,420 kg compared to 1,800 kg. The difference is around 380 kg.

Looking at boot space, the BMW 5 Series Saloon offers moderately more boot space – 520 L compared to 450 L. That’s a difference of about 70 L.

When it comes to payload, the BMW 5 Series Saloon carries somewhat more – 600 kg compared to 481 kg. That’s a difference of about 119 kg.

Who wins the race in the data check?

The BMW 5 Series Saloon holds a decisive overall lead 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 £50,800
5 Series Saloon

BMW 5 Series Saloon

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 197 - 727 HP
  • Consumption L/100km : 2.1 - 5.8 L/100km
  • Electric Range : 67 - 105 km
BMW 5 Series Saloon
Mazda 3 Sedan

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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BMW 5 Series Saloon

The BMW 5 Series Saloon blends executive poise with a driver's instinct, delivering a supple, refined cabin and a chassis that prefers composed authority over bravado. For buyers who want a grown-up commuter that still enjoys a twisty road, it’s the kind of car that keeps your colleagues impressed and your weekend grin intact.

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Mazda 3 Sedan

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

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BMW 5 Series Saloon
Mazda 3 Sedan

Costs and Consumption

Price
50,800 - 124,500 £
Price
25,000 - 34,200 £
Consumption L/100km
2.1 - 5.8 L/100km
Consumption L/100km
5.5 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 - 105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
48 - 152 g/km
co2
123 - 135 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
1,800 - 2,515 kg
Curb weight
1,420 - 1,492 kg
Trunk capacity
466 - 520 L
Trunk capacity
450 L
Length
-
Length
-
Width
1,900 - 1,970 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
425 - 600 kg
Payload
467 - 481 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
197 - 727 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
8.1 - 9.8 s
Max Speed
-
Max Speed
-
Torque
330 - 1,000 Nm
Torque
238 - 240 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
145 - 535 kW
Power kW
103 - 137 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
1,998 - 2,488 cm3

General

Model Year
2,023 - 2,026
Model Year
2025
CO2 Efficiency Class
D, E, B, C
CO2 Efficiency Class
D
Brand
BMW
Brand
Mazda
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.