BMW 5 series engine produces 10 HP more power than Audi A6, but torque is 13 NM less than Audi A6.
Fuel consumption
Fuel consumption (l/100km):
10.8
9.4
The Audi A6 is a better choice when it comes to fuel economy. BMW 5 series consumes 1.4 litres more fuel per 100 km than the Audi A6, which means that if you drive 15,000 km in a year, the BMW 5 series could require 210 litres more fuel.
Fuel tank capacity:
70 litres
80 litres
Full fuel tank distance:
640 km in combined cycle
850 km in combined cycle
770 km on highway
1120 km on highway
Audi A6 gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
All wheel drive (AWD, 4x4)
Engines
Average engine lifespan:
350'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
10 years
3 years
Engine spread:
Installed on at least 3 other car models, including BMW 3 sērija, BMW X6, BMW Z4
Used also on Audi A8
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 5 series might be a better choice in this respect.
Dimensions
Length:
4.85 m
4.93 m
Width:
1.85 m
1.86 m
Height:
1.47 m
1.46 m
Both cars are similar in size. BMW 5 series is 8 cm shorter than the Audi A6, 1 cm narrower the height of the cars does not differ significantly.
Trunk capacity:
520 litres
546 litres
Audi A6 has more luggage space. BMW 5 series has 26 litres less trunk space than the Audi A6.
Turning diameter:
11.4 meters
11.9 meters
The turning circle of the BMW 5 series is 0.5 metres less than that of the Audi A6, which means BMW 5 series can be easier to manoeuvre in tight streets and parking spaces.
BMW 5 series has fewer problems. According to annual technical inspection data Audi A6 has serious deffects in 10 percent more cases than BMW 5 series, so BMW 5 series quality is probably slightly better
