Audi S8 2021 vs Audi A6 2025

Select specific versions of each model (by engine capacity, power, drivetrain and gearbox) for an accurate comparison

 
Audi S8
2021 -
Audi A6
2025 -
Gearbox: Automatic Automatic
Wheel drive type: All wheel drive (AWD, 4x4)Front wheel drive (FWD) / All wheel drive (AWD, 4x4)
Audi S8 is available only with four wheel (4x4) drive, while Audi A6 can be equipped with front wheel drive and four wheel (4x4) drive. All-wheel drive models tend to consume more fuel, so if you don't need off road capabilities, Audi A6 also offers 2-wheel drive versions for fuel economy. 2WD versions also have lower maintenance costs.
Engines: 4.0 (petrol)2.0 - 3.0 (petrol, diesel, hybrid)
Both cars are available with petrol engines.

Performance

Power: 571 HP204 - 367 HP
Torque: 800 NM340 - 580 NM
Acceleration 0-100 km/h: 3.8 seconds4.7 - 8.2 seconds
In general, Audi S8 are available with more powerful and dynamic engines than Audi A6. Select a car version for a more accurate comparison!

Fuel consumption

Fuel consumption (l/100km): 11.55.6 - 10.2
Audi S8 petrol engines consumes on average 2.5 litres more fuel per 100 km than Audi A6.
This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy.

Dimensions

Length: 5.19 m5.00 m
Width: 1.95 m1.88 m
Height: 1.48 m1.45 m
Audi S8 is larger.
Audi S8 is 19 cm longer than the Audi A6, 7 cm wider, while the height of Audi S8 is 2 cm higher.
Trunk capacity: 505 litres492 litres
Audi S8 has 13 litres more trunk space than the Audi A6.
Turning diameter: 11.4 meters12.4 meters
The turning circle of the Audi S8 is 1 metres less than that of the Audi A6, which means Audi S8 can be easier to manoeuvre in tight streets and parking spaces.
Gross weight (kg): ~ 2`835~ 2`620
Safety: no datano data
Quality: no datano data
Average price (€): no datano data
Pros and Cons: Audi S8 has
  • only petrol engines available
  • more powerful and dynamic engines
  • better manoeuvrability
Audi A6 has
  • also available in 2WD
  • petrol, diesel and hybrid engines available
  • lower fuel consumption for petrol engines
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