BMW 5 series 1981 engine produces 4 HP less power than BMW 5 series 1988, but torque is 8 NM more than BMW 5 series 1988.
Fuel consumption
Fuel consumption (l/100km):
8.7
10.0
The BMW 5 series 1981 is a better choice when it comes to fuel economy. BMW 5 series 1981 consumes 1.3 litres less fuel per 100 km than the BMW 5 series 1988, which means that by driving the BMW 5 series 1981 over 15,000 km in a year you can save 195 litres of fuel.
Fuel tank capacity:
70 litres
80 litres
Full fuel tank distance:
800 km in combined cycle
800 km in combined cycle
Engines
Average engine lifespan:
440'000 km
440'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
15 years
15 years
Dimensions
Length:
4.62 m
4.72 m
Width:
1.70 m
1.75 m
Height:
1.42 m
1.41 m
BMW 5 series 1981 is smaller, but slightly higher. BMW 5 series 1981 is 10 cm shorter than the BMW 5 series 1988, 5 cm narrower, while the height of BMW 5 series 1981 is 1 cm higher.