Timing belt usually needs to be replaced more often than the chain, but it is usually significantly cheaper. Timing belt motors are generally quieter and less vibrating than chain motors.
Performance
Power:
86 HP
115 HP
Torque:
152 NM
265 NM
Acceleration 0-100 km/h:
18 seconds
11 seconds
BMW 3 series 2003 is a more dynamic driving. BMW 3 series 1985 engine produces 29 HP less power than BMW 3 series 2003, whereas torque is 113 NM less than BMW 3 series 2003. Due to the lower power, BMW 3 series 1985 reaches 100 km/h speed 7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.3
6.8
The BMW 3 series 2003 is a better choice when it comes to fuel economy. BMW 3 series 1985 consumes 0.5 litres more fuel per 100 km than the BMW 3 series 2003, which means that if you drive 15,000 km in a year, the BMW 3 series 1985 could require 75 litres more fuel.
Fuel tank capacity:
55 litres
63 litres
Full fuel tank distance:
750 km in combined cycle
920 km in combined cycle
1010 km on highway
1140 km on highway
BMW 3 series 2003 gets more mileage on one fuel tank.
Engines
Average engine lifespan:
480'000 km
480'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
8 years
9 years
Engine spread:
Used also on BMW 5 sērija
Used also on BMW 5 sērija
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Hydraulic tappets:
no
yes
The BMW 3 series 2003 engine has hydraulic tappets (lifters), providing quieter operation and no need for periodic adjustment, but they are more complex in design and can cause serious engine damage in case of failure.
Dimensions
Length:
4.32 m
4.47 m
Width:
1.64 m
1.74 m
Height:
1.38 m
1.42 m
BMW 3 series 1985 is smaller. BMW 3 series 1985 is 15 cm shorter than the BMW 3 series 2003, 10 cm narrower, while the height of BMW 3 series 1985 is 4 cm lower.
Trunk capacity:
404 litres
440 litres
Trunk max capacity: with rear seats folded down
425 litres
no data
BMW 3 series 2003 has more luggage space. BMW 3 series 1985 has 36 litres less trunk space than the BMW 3 series 2003.
