Audi A6 is more dynamic to drive. Audi A6 engine produces 25 HP more power than Audi A4, whereas torque is 60 NM more than Audi A4. Thanks to more power Audi A6 reaches 100 km/h speed 0.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.1
6.8
The Audi A4 is a better choice when it comes to fuel economy. Audi A6 consumes 1.3 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the Audi A6 could require 195 litres more fuel.
Fuel tank capacity:
70 litres
66 litres
Full fuel tank distance:
860 km in combined cycle
970 km in combined cycle
1120 km on highway
1200 km on highway
Audi A4 gets more mileage on one fuel tank.
Engines
Average engine lifespan:
330'000 km
370'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Audi A4 engine could be longer.
Engine production duration:
6 years
2 years
Engine spread:
Installed on at least 2 other car models, including Audi A4, Audi A8
Installed on at least 2 other car models, including Audi A6, Skoda Superb
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Audi A6 might be a better choice in this respect.
Dimensions
Length:
4.80 m
4.55 m
Width:
1.81 m
1.77 m
Height:
1.45 m
1.43 m
Audi A6 is larger. Audi A6 is 25 cm longer than the Audi A4, 4 cm wider, while the height of Audi A6 is 2 cm higher.
Trunk capacity:
551 litres
445 litres
Audi A6 has more luggage capacity. Audi A6 has 106 litres more trunk space than the Audi A4.
Turning diameter:
11.7 meters
11.1 meters
The turning circle of the Audi A6 is 0.6 metres more than that of the Audi A4, which means Audi A6 can be harder to manoeuvre in tight streets and parking spaces.
Audi A4 has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 15 percent more cases than Audi A4, so Audi A4 quality is probably better
