Audi A4 and Audi A6 have the same engine power, but Audi A4 torque is 10 NM less than Audi A6. Audi A4 reaches 100 km/h speed 1.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.3
5.7
Real fuel consumption:
5.9 l/100km
6.0 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 0.4 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 60 litres of fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.1 litres less fuel per 100 km than the Audi A6.
Fuel tank capacity:
62 litres
70 litres
Full fuel tank distance:
1160 km in combined cycle
1220 km in combined cycle
1440 km on highway
1520 km on highway
1050 km with real consumption
1160 km with real consumption
Audi A6 gets more mileage on one fuel tank.
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.