BMW 3 series 1988 vs BMW 5 series 1981

 
BMW 3 series
1988 - 1991
BMW 5 series
1981 - 1984
Gearbox: ManualManual
Engine: 1.6 Petrol1.8 Petrol
Camshaft drive: Timing beltTiming chain
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: 99 HP90 HP
Torque: 141 NM140 NM
Acceleration 0-100 km/h: 12 seconds14 seconds
BMW 3 series is more dynamic to drive.
BMW 3 series engine produces 9 HP more power than BMW 5 series, whereas torque is 1 NM more than BMW 5 series. Thanks to more power BMW 3 series reaches 100 km/h speed 2 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 8.59.5
The BMW 3 series is a better choice when it comes to fuel economy.
BMW 3 series consumes 1 litres less fuel per 100 km than the BMW 5 series, which means that by driving the BMW 3 series over 15,000 km in a year you can save 150 litres of fuel.
Fuel tank capacity: 55 litres70 litres
Full fuel tank distance: 640 km in combined cycle730 km in combined cycle
820 km on highway1000 km on highway
BMW 5 series gets more mileage on one fuel tank.
Ground clearance: 125 mm (4.9 inches)140 mm (5.5 inches)
Because of the higher ground clearance, BMW 5 series can perform better on bad roads - it can go over higher obstacles and bumps. At the same time, the higher ground clearance can reduce stability and handling on paved roads, especially at higher speeds. Note, however, that this BMW 5 series version does not have 4x4 drive, which is very important in poor road conditions.

Engines

Average engine lifespan: 380'000 km420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration: 7 years25 years
Engine spread: Used only for this carUsed also on BMW 3 sērija
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.
Hydraulic tappets: yesno
The BMW 3 series 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 m4.62 m
Width: 1.64 m1.70 m
Height: 1.38 m1.42 m
BMW 3 series is smaller.
BMW 3 series is 30 cm shorter than the BMW 5 series, 6 cm narrower, while the height of BMW 3 series is 4 cm lower.
Trunk capacity: 425 litres460 litres
Trunk max capacity:
with rear seats folded down
425 litresno data
BMW 5 series has more luggage space.
BMW 3 series has 35 litres less trunk space than the BMW 5 series.
Turning diameter: 10 meters11 meters
The turning circle of the BMW 3 series is 1 metres less than that of the BMW 5 series, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`5451`670
Safety: no datano data
Quality: no datano data
Average price (€): 42004200
Pros and Cons: BMW 3 sērija has
  • timing belt engine
  • more power
  • more dynamic
  • lower fuel consumption
  • better manoeuvrability
BMW 5 sērija has
  • timing chain engine
  • more full fuel tank mileage
  • higher ground clearance
  • longer expected engine lifespan
  • roomier boot
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