Audi A4 is more dynamic to drive. Audi A4 engine produces 25 HP more power than Audi A6, whereas torque is 42 NM more than Audi A6. Thanks to more power Audi A4 reaches 100 km/h speed 3.1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.9
8.6
Real fuel consumption:
9.4 l/100km
8.5 l/100km
The Audi A6 is a better choice in terms of fuel economy based on user-reported consumption, although the specification shows otherwise. By specification Audi A4 consumes 0.7 litres less fuel per 100 km than the Audi A6, which means that by driving the Audi A4 over 15,000 km in a year you can save 105 litres of fuel. But when we compare the real fuel consumption reported by users, Audi A4 consumes 0.9 litres more fuel per 100 km than the Audi A6.
Fuel tank capacity:
62 litres
70 litres
Full fuel tank distance:
780 km in combined cycle
810 km in combined cycle
950 km on highway
1070 km on highway
650 km with real consumption
820 km with real consumption
Engines
Average engine lifespan:
460'000 km
460'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
4 years
4 years
Engine spread:
Used also on Audi A6
Installed on at least 5 other car models, including Volkswagen Golf, Audi A4, Skoda Octavia, Volkswagen Bora
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:
4.48 m
4.80 m
Width:
1.73 m
1.81 m
Height:
1.42 m
1.45 m
Audi A4 is smaller. Audi A4 is 32 cm shorter than the Audi A6, 8 cm narrower, while the height of Audi A4 is 3 cm lower.
Trunk capacity:
440 litres
551 litres
Audi A6 has more luggage space. Audi A4 has 111 litres less trunk space than the Audi A6.
Turning diameter:
11.1 meters
11.7 meters
The turning circle of the Audi A4 is 0.6 metres less than that of the Audi A6, which means Audi A4 can be easier to manoeuvre in tight streets and parking spaces.
Audi A4 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A6, so Audi A4 quality could be a bit better.
