BMW 3 series engine produces 11 HP more power than Ford Sierra, whereas torque is 54 NM more than Ford Sierra. Despite the higher power, BMW 3 series reaches 100 km/h speed 1.2 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.0
7.5
Real fuel consumption:
7.6 l/100km
9.4 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.5 litres less fuel per 100 km than the Ford Sierra, which means that by driving the BMW 3 series over 15,000 km in a year you can save 75 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.8 litres less fuel per 100 km than the Ford Sierra.
Fuel tank capacity:
55 litres
60 litres
Full fuel tank distance:
780 km in combined cycle
800 km in combined cycle
720 km with real consumption
630 km with real consumption
Dimensions
Length:
4.32 m
4.47 m
Width:
1.64 m
1.70 m
Height:
1.38 m
1.41 m
BMW 3 series is smaller. BMW 3 series is 15 cm shorter than the Ford Sierra, 6 cm narrower, while the height of BMW 3 series is 3 cm lower.
