VS

BMW 4 Series Gran Coupe vs Mazda 6 Saloon comparison

Compare performance (392 HP vs 258 HP), boot space and price (45,700 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Gran Coupe or Mazda 6 Saloon?

BMW 4 Series Gran Coupe vs Mazda 6 Saloon: Key differences

BMW 4 Series Gran Coupe

  • markedly more power
  • substantially quicker 0–100 km/h
  • a bit lighter
  • noticeably more trunk space
details

Mazda 6 Saloon

  • somewhat cheaper
details

By Achim Sedelmaier

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

4 Series Gran Coupe

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.

Mazda 6 Saloon is somewhat cheaper – starting at 38,500 £ , while the BMW 4 Series Gran Coupe costs 45,700 £ . That’s a price difference of around 7,200 £.

6 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 BMW 4 Series Gran Coupe offers markedly more power – delivering 392 HP compared to 258 HP. That’s roughly 134 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Gran Coupe is substantially quicker – completing the sprint in 4.6 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3 s quicker.

Looking at top speed, the BMW 4 Series Gran Coupe is noticeably faster – reaching 250 km/h, while the Mazda 6 Saloon tops out at 175 km/h. The difference is around 75 km/h.

There’s also a difference in torque: the BMW 4 Series Gran Coupe delivers substantially more torque with 650 Nm compared to 320 Nm. That’s about 330 Nm more.

4 Series Gran Coupe

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 4 Series Gran Coupe is a bit lighter – 1,695 kg compared to 2,027 kg. The difference is around 332 kg.

Looking at boot space, the BMW 4 Series Gran Coupe offers noticeably more boot space – 470 L compared to 336 L. That’s a difference of about 134 L.

For maximum load capacity, the BMW 4 Series Gran Coupe offers somewhat more capacity – up to 1,290 L, about 216 L more than the Mazda 6 Saloon.

When it comes to payload, the BMW 4 Series Gran Coupe carries noticeably more – 480 kg compared to 360 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The BMW 4 Series Gran Coupe stands well ahead of its rival 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 £45,700
4 Series Gran Coupe

BMW 4 Series Gran Coupe

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 184 - 392 HP
  • Consumption L/100km : 5 - 7.8 L/100km
BMW 4 Series Gran Coupe
Mazda 6 Saloon

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 4 Series Gran Coupe

The BMW 4 Series Gran Coupe marries coupe-like drama with hatchback practicality, offering a sloping roofline that still lets you load bags without a wrestling match. It steers with familiar BMW poise, so buyers after sporty looks and everyday usability get the best of both worlds—and a car that makes the commute feel a bit more glamorous.

details

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

details
BMW 4 Series Gran Coupe
Mazda 6 Saloon

Costs and Consumption

Price
45,700 - 68,800 £
Price
38,500 - 41,600 £
Consumption L/100km
5 - 7.8 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
-
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
131 - 179 g/km
co2
0 g/km
Fuel tank capacity
59 L
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,695 - 1,935 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
470 L
Trunk capacity
336 L
Length
4,783 mm
Length
4,921 mm
Width
1,852 mm
Width
1,890 mm
Height
1,442 mm
Height
1,491 mm
Max trunk capacity
1,290 L
Max trunk capacity
1,074 L
Payload
480 kg
Payload
359 - 360 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
184 - 392 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
4.6 - 7.9 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
233 - 250 km/h
Max Speed
175 km/h
Torque
300 - 650 Nm
Torque
320 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 288 kW
Power kW
180 - 190 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General

Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
D, E, F, G
CO2 Efficiency Class
A
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.