Audi A4 and Audi A6 have the same engine power, the torque is the same for both cars. Audi A4 reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
8.3
8.5
Audi A4 consumes 0.2 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 30 litres of fuel.
Fuel tank capacity:
70 litres
70 litres
Full fuel tank distance:
840 km in combined cycle
820 km in combined cycle
1070 km on highway
1040 km on highway
Engines
Average engine lifespan:
440'000 km
420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
9 years
8 years
Engine spread:
Installed on at least 9 other car models, including Volkswagen Passat, Volkswagen Golf, Skoda Octavia, Audi A3
Installed on at least 3 other car models, including Volkswagen Passat, Skoda Octavia, 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 A4 might be a better choice in this respect.
Dimensions
Length:
4.55 m
4.80 m
Width:
1.77 m
1.81 m
Height:
1.43 m
1.48 m
Audi A4 is smaller. Audi A4 is 25 cm shorter than the Audi A6, 4 cm narrower, while the height of Audi A4 is 5 cm lower.
Trunk capacity:
442 litres
455 litres
Audi A4 has 13 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 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