Audi A6 and Audi A4 have the same engine power, but Audi A6 torque is 10 NM more than Audi A4. Audi A6 reaches 100 km/h speed 2 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.8
6.5
Real fuel consumption:
7.8 l/100km
6.9 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A6 consumes 0.3 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 45 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A6 consumes 0.9 litres more fuel per 100 km than the Audi A4.
Fuel tank capacity:
70 litres
62 litres
Full fuel tank distance:
1020 km in combined cycle
950 km in combined cycle
1320 km on highway
1240 km on highway
890 km with real consumption
890 km with real consumption
Audi A6 gets more mileage on one fuel tank.
Dimensions
Length:
4.80 m
4.48 m
Width:
1.81 m
1.73 m
Height:
1.45 m
1.42 m
Audi A6 is larger. Audi A6 is 32 cm longer than the Audi A4, 8 cm wider, while the height of Audi A6 is 3 cm higher.
Trunk capacity:
551 litres
440 litres
Audi A6 has more luggage capacity. Audi A6 has 111 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 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.
