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BMW i7 vs Mazda 6 Saloon comparison

Compare performance (659 HP vs 258 HP), boot space and price (99,300 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – BMW i7 or Mazda 6 Saloon?

BMW i7 vs Mazda 6 Saloon: Key differences

BMW i7

  • clearly more power
  • slightly more electric range
  • clearly quicker 0–100 km/h
  • noticeably more trunk space
details

Mazda 6 Saloon

  • clearly cheaper
  • a bit more efficient
  • markedly lighter
details

By Achim Sedelmaier

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

i7

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda 6 Saloon is clearly cheaper – starting at 38,500 £ , while the BMW i7 costs 99,300 £ . That’s a price difference of around 60,857 £.

In terms of energy consumption, the Mazda 6 Saloon is a bit more efficient: consuming 16.5 kWh/100km compared to 18.5 kWh/100km for the BMW i7. That’s a difference of about 2 kWh/100km.

As for electric range, the BMW i7 offers slightly more range – reaching up to 624 km, about 72 km more than the Mazda 6 Saloon.

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 i7 offers clearly more power – delivering 659 HP compared to 258 HP. That’s roughly 401 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i7 is clearly 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 i7 delivers considerably more torque with 1,100 Nm compared to 320 Nm. That’s about 780 Nm more.

i7

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, Mazda 6 Saloon is markedly lighter – 2,027 kg compared to 2,595 kg. The difference is around 568 kg.

Looking at boot space, the BMW i7 offers noticeably more boot space – 500 L compared to 336 L. That’s a difference of about 164 L.

When it comes to payload, the BMW i7 carries markedly more – 535 kg compared to 360 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The BMW i7 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 £99,300
i7

BMW i7

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 455 - 659 HP
  • Consumption kWh/100km 18.5 - 20.8 kWh/100km
  • Electric Range 559 - 624 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW i7

The BMW i7 is a quietly imposing electric limousine that wraps advanced tech and traditional Bavarian comfort in a futuristic skin. For buyers after serene luxury with a mischievous streak, it pampers rear-seat occupants while reminding the driver that BMW still knows how to make a big car feel alive.

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P90458209_highRes_the-new-bmw-i7-xdriv
P90458213_highRes_the-new-bmw-760i-xdr
P90458219_highRes_the-new-bmw-760i-xdr

Reviews BMW i7

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

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.

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Reviews Mazda 6 Saloon

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Costs and Consumption
Price
99,300 - 157,200 £
Price
38,500 - 41,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
18.5 - 20.8 kWh/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
559 - 624 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
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,595 - 2,770 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
500 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,950 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
480 - 535 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
455 - 659 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.7 - 5.5 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
650 - 1,100 Nm
Torque
320 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
335 - 485 kW
Power kW
180 - 190 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,022 - 2,023
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
Mazda
Is the BMW i7 offered with different drivetrains?

The BMW i7 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.