BMW 3 series 2001 vs Opel Astra 2007

 
BMW 3 series
2001 - 2005
Opel Astra
2007 - 2010
Body: HatchbackEstate car / wagon
Gearbox: ManualManual
Engine: 1.8 Petrol1.8 Petrol
Camshaft drive: Timing chainTiming belt
Engine chain usually needs to be replaced less often than the timing belt, but the cost of replacing the chain is usually higher. Chain motors are considered to be more reliable, but noisier and more vibration generating.

Performance

Power: 116 HP140 HP
Torque: 175 NM175 NM
Acceleration 0-100 km/h: 11 seconds10 seconds
Opel Astra is a more dynamic driving.
BMW 3 series engine produces 24 HP less power than Opel Astra, the torque is the same for both cars. Due to the lower power, BMW 3 series reaches 100 km/h speed 1 seconds later.

Fuel consumption

Fuel consumption (l/100km): 6.97.4
Real fuel consumption: 8.2 l/100km7.9 l/100km
By specification BMW 3 series consumes 0.5 litres less fuel per 100 km than the Opel Astra, which means that by driving the BMW 3 series over 15,000 km in a year you can save 75 litres of fuel.
But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.3 litres more fuel per 100 km than the Opel Astra.
Fuel tank capacity: 63 litres52 litres
Full fuel tank distance: 910 km in combined cycle700 km in combined cycle
1180 km on highway910 km on highway
760 km with real consumption650 km with real consumption
BMW 3 series gets more mileage on one fuel tank.

Drive type

Wheel drive type: Rear wheel drive (RWD)Front wheel drive (FWD)
Front-wheel drive cars (Opel Astra) have better traction on slippery roads and when climbing hills, better fuel economy, and are less expensive to purchase. On the disadvantage side, FWD cars usually have less towing capacity, poorer acceleration and harder handling. Rear-wheel drive cars (BMW 3 series) have better handling on dry roads, better acceleration, more even weight distribution and more fun to drive. RWD is also better for towing large loads. The cons of rear-wheel drive are less interior and trunk space and more difficulty maneuvering in wet and snowy conditions.

Engines

Engine production duration: 6 years5 years
Engine spread: Used only for this carInstalled on at least 3 other car models, including Opel Zafira, Opel Vectra, Opel Signum
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Opel Astra 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: 4.26 m4.52 m
Width: 1.75 m1.75 m
Height: 1.41 m1.50 m
BMW 3 series is 26 cm shorter than the Opel Astra, width is practically the same , while the height of BMW 3 series is 9 cm lower.
Trunk capacity: 310 litres500 litres
Trunk max capacity:
with rear seats folded down
1100 litres1590 litres
Opel Astra has more luggage space.
BMW 3 series has 190 litres less trunk space than the Opel Astra. The maximum boot capacity (with all rear seats folded down) is larger in Opel Astra (by 490 litres).
Turning diameter: 10 meters11 meters
The turning circle of the BMW 3 series is 1 metres less than that of the Opel Astra, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`8001`850
Safety:
Quality:
low

average
Opel Astra has fewer problems.
According to annual technical inspection data BMW 3 series has serious deffects in 135 percent more cases than Opel Astra, so Opel Astra quality is probably significantly better
Average price (€): 22002000
Rating in user reviews: 7.9/10 8.1/10
Pros and Cons: BMW 3 sērija has
  • timing chain engine
  • more full fuel tank mileage
  • better manoeuvrability
Opel Astra has
  • timing belt engine
  • more power
  • more dynamic
  • roomier boot
  • higher safety
  • fewer faults
  • lower price
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