VS

BMW i4 vs Mazda 6 Saloon comparison

Compare performance (601 HP vs 258 HP), boot space and price (49,400 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Mazda 6 Saloon?

BMW i4 vs Mazda 6 Saloon: Key differences

BMW i4

5 (3 Reviews)
rate
  • clearly more power
  • somewhat more efficient
  • marginally more electric range
  • substantially quicker 0–100 km/h
  • visibly more trunk space
details

Mazda 6 Saloon

  • visibly cheaper
  • very slightly 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

i4

Costs and Efficiency:

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

Mazda 6 Saloon is visibly cheaper – starting at 38,500 £ , while the BMW i4 costs 49,400 £ . That’s a price difference of around 10,886 £.

In terms of energy consumption, the BMW i4 is somewhat more efficient: consuming 14.7 kWh/100km compared to 16.5 kWh/100km for the Mazda 6 Saloon. That’s a difference of about 1.8 kWh/100km.

As for electric range, the BMW i4 offers marginally more range – reaching up to 613 km, about 61 km more than the Mazda 6 Saloon.

6 Saloon

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW i4 offers clearly more power – delivering 601 HP compared to 258 HP. That’s roughly 343 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is substantially quicker – completing the sprint in 3.7 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.9 s quicker.

There’s also a difference in torque: the BMW i4 delivers considerably more torque with 795 Nm compared to 320 Nm. That’s about 475 Nm more.

i4

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 6 Saloon is very slightly lighter – 2,027 kg compared to 2,070 kg. The difference is around 43 kg.

Looking at boot space, the BMW i4 offers visibly more boot space – 470 L compared to 336 L. That’s a difference of about 134 L.

When it comes to payload, the BMW i4 carries markedly 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 i4 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 £49,400
i4

BMW i4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 286 - 601 HP
  • Consumption kWh/100km : 14.7 - 16.7 kWh/100km
  • Electric Range : 514 - 613 km
details

Frequently compared as well

BMW i4
BYD Seal
VS
The BMW i4 feels like a familiar, impeccably tuned sports saloon — razor-sharp steering, plush interior and that badge-backed refinement for drivers who crave engagement over bargains. The BYD Seal, meanwhile, is the plucky tech-packed challenger: startling range and kit for the money, bold design …
BMW i4
Polestar 4
VS
The BMW i4 is the driver's EV — taut handling, rear‑drive poise and a cockpit that still feels satisfyingly analogue — while the Polestar 4 plays the Scandinavian minimalist card, pairing bold coupe‑SUV looks with luxurious simplicity and polished electric range. Choose the i4 if you want …
BMW i4
Mazda 6 Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

details
P90439358_highRes_bmw-i4-m50-9-2021
P90439356_highRes_bmw-i4-m50-9-2021
P90439360_highRes_bmw-i4-m50-9-2021
P90439369_highRes_bmw-i4-m50-9-2021
P90422904_highRes_bmw-i4-interieur-6-2

Reviews BMW i4

5 (3 Reviews)
rate
Marco
23 Apr 2026, 14:56:19

Amazing car with enormous torque, equipment and driving experience, at an acceptable fuel consumption.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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
serpimg_k07G5g

Reviews Mazda 6 Saloon

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

Frequently compared as well

BMW i4
BMW iX2
VS
The BMW i4 and BMW iX2 are two standout electric vehicles that cater to different preferences within the EV market. While the i4 impresses with its sleek design and sporty performance as a four-door coupe, the iX2 offers a more versatile SUV experience with added space and practicality. Both models …
Audi A6 e-tron Avant
BMW i4
VS
In the competitive arena of electric vehicles, the Audi A6 e-tron Avant presents a luxurious blend of practicality and performance, boasting a spacious interior and cutting-edge technology. In contrast, the BMW i4 emphasizes dynamic driving, offering an engaging experience with its sporty handling …
BMW i4
BMW iX3
VS
In the electric vehicle segment, the BMW i4 and BMW iX3 offer distinct experiences tailored to different preferences. The i4 captivates with its sporty design and exhilarating performance, appealing to enthusiasts who crave a dynamic drive. Meanwhile, the iX3 shines as a versatile SUV, combining …
BMW i4
Mercedes CLA Shooting Brake
VS
Unsure whether the BMW i4 or the Mercedes CLA Shooting Brake is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW i4
BMW i5 Touring
VS
In a head-to-head comparison between the BMW i4 and the BMW i5 Touring, enthusiasts will find distinct advantages in each model. The i4 thrills with its sporty design and dynamic performance, perfect for those seeking an exhilarating driving experience. Meanwhile, the i5 Touring offers a spacious …
BMW i4
BMW iX1
VS
In the battle of BMW’s electric offerings, the i4 and iX1 showcase different philosophies within the brand’s electrified lineup. The i4 impresses with its sporty coupe design and dynamic driving experience, appealing to enthusiasts who crave performance. On the other hand, the iX1 combines …
Audi e-tron GT
BMW i4
VS
Audi e-tron GT and BMW i4 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BMW 3 Series Touring
BMW i4
VS
BMW 3 Series Touring and BMW i4 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BMW i4
Mazda 6 Saloon

Costs and Consumption
Price
49,400 - 62,500 £
Price
38,500 - 41,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
514 - 613 km
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,070 - 2,285 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
470 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,852 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
445 - 480 kg
Payload
359 - 360 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
286 - 601 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
400 - 795 Nm
Torque
320 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
210 - 442 kW
Power kW
180 - 190 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
Mazda
Is the BMW i4 offered with different drivetrains?

The BMW i4 is offered with 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.