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 0.1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.8
6.4
Real fuel consumption:
6.8 l/100km
7.5 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 0.6 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 90 litres of fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.7 litres less fuel per 100 km than the Audi A6.
Fuel tank capacity:
70 litres
70 litres
Full fuel tank distance:
1200 km in combined cycle
1090 km in combined cycle
1520 km on highway
1400 km on highway
1020 km with real consumption
930 km with real consumption
Audi A4 gets more mileage on one fuel tank.
Engines
Average engine lifespan:
420'000 km
380'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
5 years
4 years
Engine spread:
Installed on at least 2 other car models, including Audi A6, Audi A3
Used only for this car
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:
4.59 m
4.93 m
Width:
1.77 m
1.86 m
Height:
1.43 m
1.46 m
Audi A4 is smaller. Audi A4 is 34 cm shorter than the Audi A6, 9 cm narrower, while the height of Audi A4 is 3 cm lower.
Trunk capacity:
442 litres
565 litres
Audi A6 has more luggage space. Audi A4 has 123 litres less trunk space than the Audi A6.
Turning diameter:
11.1 meters
12 meters
The turning circle of the Audi A4 is 0.9 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 25 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
