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Mazda 6 Saloon vs Audi Q8 e-tron comparison

Compare performance (258 HP vs 503 HP), boot space and price (38,500 £ vs 65,100 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Audi Q8 e-tron?

Mazda 6 Saloon vs Audi Q8 e-tron: Key differences

Mazda 6 Saloon

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

Audi Q8 e-tron

  • considerably more power
  • barely more electric range
  • considerably quicker 0–100 km/h
  • significantly more trunk space
details

By Achim Sedelmaier

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

6 Saloon

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 substantially cheaper – starting at 38,500 £ , while the Audi Q8 e-tron costs 65,100 £ . That’s a price difference of around 26,572 £.

In terms of energy consumption, the Mazda 6 Saloon is a bit more efficient: consuming 16.5 kWh/100km compared to 19.7 kWh/100km for the Audi Q8 e-tron. That’s a difference of about 3.2 kWh/100km.

As for electric range, the Audi Q8 e-tron offers barely more range – reaching up to 595 km, about 43 km more than the Mazda 6 Saloon.

Q8 e-tron

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi Q8 e-tron offers considerably more power – delivering 503 HP compared to 258 HP. That’s roughly 245 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 e-tron is considerably quicker – completing the sprint in 4.5 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.1 s quicker.

Looking at top speed, the Audi Q8 e-tron is somewhat faster – reaching 210 km/h, while the Mazda 6 Saloon tops out at 175 km/h. The difference is around 35 km/h.

There’s also a difference in torque: the Audi Q8 e-tron delivers significantly more torque with 973 Nm compared to 320 Nm. That’s about 653 Nm more.

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 2,585 kg. The difference is around 558 kg.

Looking at boot space, the Audi Q8 e-tron offers significantly more boot space – 569 L compared to 336 L. That’s a difference of about 233 L.

For maximum load capacity, the Audi Q8 e-tron offers markedly more capacity – up to 1,637 L, about 563 L more than the Mazda 6 Saloon.

When it comes to payload, the Audi Q8 e-tron carries noticeably more – 595 kg compared to 360 kg. That’s a difference of about 235 kg.

Who wins the race in the data check?

The Audi Q8 e-tron 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 £65,100
Q8 e-tron

Audi Q8 e-tron

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 340 - 503 HP
  • Consumption kWh/100km 19.7 - 26.3 kWh/100km
  • Electric Range 456 - 595 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

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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Audi Q8 e-tron

The Audi Q8 e-tron wraps Audi’s usual premium polish into a quiet, composed electric SUV that feels refined and surprisingly effortless to drive. With a spacious, tech-forward cabin and understated road presence, it’s a practical yet stylish choice for buyers who want electric motoring without losing the dignity of a proper luxury SUV.

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Costs and Consumption
Price
38,500 - 41,600 £
Price
65,100 - 102,800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
19.7 - 26.3 kWh/100km
Electric Range
479 - 552 km
Electric Range
456 - 595 km
Battery Capacity
-
Battery Capacity
89 - 106 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2,027 - 2,028 kg
Curb weight
2,585 - 2,725 kg
Trunk capacity
336 L
Trunk capacity
528 - 569 L
Length
4,921 mm
Length
4,915 mm
Width
1,890 mm
Width
1,937 - 1,994 mm
Height
1,491 mm
Height
1,617 - 1,683 mm
Max trunk capacity
1,074 L
Max trunk capacity
1,567 - 1,637 L
Payload
359 - 360 kg
Payload
515 - 595 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
Drive Type
All-Wheel Drive
Power HP
245 - 258 HP
Power HP
340 - 503 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
4.5 - 6 s
Max Speed
175 km/h
Max Speed
200 - 210 km/h
Torque
320 Nm
Torque
664 - 973 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
180 - 190 kW
Power kW
250 - 370 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2,023 - 2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mazda
Brand
Audi
What drive types are available for the Mazda 6 Saloon?

The Mazda 6 Saloon is available as Rear-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.