BMW 3 series 2003 vs BMW 1 series 2004

 
BMW 3 series
2003 - 2005
BMW 1 series
2004 - 2007
Body: SedanHatchback
The hatchback generally has more luggage space thanks to a larger trunk door opening and the ability to convert the rear of the passenger compartment into luggage space. Sedans tend to be quieter than hatchbacks, due to a more isolated rear area.
Gearbox: AutomaticAutomatic
Engine: 2.0 Diesel2.0 Diesel
Camshaft drive: Timing chainTiming chain

Performance

Power: 115 HP163 HP
Torque: 265 NM340 NM
Acceleration 0-100 km/h: 11 seconds8.2 seconds
BMW 1 series is a more dynamic driving.
BMW 3 series engine produces 48 HP less power than BMW 1 series, whereas torque is 75 NM less than BMW 1 series. Due to the lower power, BMW 3 series reaches 100 km/h speed 2.8 seconds later.

Fuel consumption

Fuel consumption (l/100km): 6.86.6
BMW 3 series consumes 0.2 litres more fuel per 100 km than the BMW 1 series, which means that if you drive 15,000 km in a year, the BMW 3 series could require 30 litres more fuel.
Fuel tank capacity: 63 litres50 litres
Full fuel tank distance: 920 km in combined cycle750 km in combined cycle
1140 km on highway900 km on highway
BMW 3 series gets more mileage on one fuel tank.

Engines

Average engine lifespan: 480'000 km390'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a BMW 3 series engine could be longer.
Engine production duration: 9 years9 years
Engine spread: Used also on BMW 5 sērijaUsed 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.

Dimensions

Length: 4.47 m4.23 m
Width: 1.74 m1.75 m
Height: 1.42 m1.43 m
BMW 3 series is 24 cm longer than the BMW 1 series, 1 cm narrower, while the height of BMW 3 series is 1 cm lower.
Trunk capacity: 440 litres330 litres
Trunk max capacity:
with rear seats folded down
no data1150 litres
BMW 3 series has more luggage capacity.
BMW 3 series has 110 litres more trunk space than the BMW 1 series.
Turning diameter: 10 meters11 meters
The turning circle of the BMW 3 series is 1 metres less than that of the BMW 1 series, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`9251`850
Safety:
Quality:
low

average
BMW 1 series has fewer problems.
According to annual technical inspection data BMW 3 series has serious deffects in 20 percent more cases than BMW 1 series, so BMW 1 series quality is probably better
Average price (€): 24003400
Rating in user reviews: 7.9/10 8.0/10
Pros and Cons: BMW 3 sērija has
  • more full fuel tank mileage
  • longer expected engine lifespan
  • roomier boot
  • better manoeuvrability
  • lower price
BMW 1 sērija has
  • more power
  • more dynamic
  • higher safety
  • fewer faults
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