Audi A4 and Audi A6 have the same engine power, the torque is the same for both cars.
Fuel consumption
Fuel consumption (l/100km):
6.7
6.4
Real fuel consumption:
6.8 l/100km
7.5 l/100km
The Audi A4 is a better choice in terms of fuel economy based on user-reported consumption, although the specification shows otherwise. By specification Audi A4 consumes 0.3 litres more fuel per 100 km than the Audi A6, which means that if you drive 15,000 km in a year, the Audi A4 could require 45 litres more fuel. But when we compare the real fuel consumption reported by users, 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:
1040 km in combined cycle
1090 km in combined cycle
1250 km on highway
1400 km on highway
1020 km with real consumption
930 km with real consumption
Drive type
Wheel drive type:
4x4 - AWD (all-wheel-drive)
Front wheel drive (FWD)
Audi A4 has 4x4: The vehicle features full-time Quattro IV all-wheel drive with Torsen center differential and electronic traction control that operates at speeds up to 40 km/h and applies brakes to spinning wheels, with the effect of locking the front and rear differential.
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
