The wagon generally has more cargo space due to a larger trunk door opening, a roof that extends as far back as possible, and the ability to convert the rear of the passenger compartment into cargo space. Sedans tend to be quieter than wagons due to a more isolated rear area.
Gearbox:
Automatic
Manual/Automatic
Audi A8 is available only with automatic gearbox, whereas Audi A4 has both automatic and manual transmission options.
Audi A8 petrol engines consumes on average 2.5 litres more fuel per 100 km than Audi A4. On average, Audi A8 equipped with diesel engines consume 2.6 litres more fuel per 100 km than the Audi A4. This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
Dimensions
Length:
5.11 m
4.55 m
Width:
1.89 m
1.77 m
Height:
1.45 m
1.43 m
Audi A8 is larger. Audi A8 is 56 cm longer than the Audi A4, 12 cm wider, while the height of Audi A8 is 2 cm higher.
Trunk capacity:
500 litres
442 litres
Audi A8 has more luggage capacity. Audi A8 has 58 litres more trunk space than the Audi A4.
Turning diameter:
13 meters
11.1 meters
The turning circle of the Audi A8 is 1.9 metres more than that of the Audi A4, which means Audi A8 can be harder to manoeuvre in tight streets and parking spaces.