BMW 1 series 2004 vs Opel Astra 2004

 
BMW 1 series
2004 - 2006
Opel Astra
2004 - 2007
Gearbox: ManualManual
Engine: 1.6 Petrol1.6 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 HP105 HP
Torque: 150 NM150 NM
Acceleration 0-100 km/h: 11 seconds12.3 seconds
BMW 1 series is more dynamic to drive.
BMW 1 series engine produces 11 HP more power than Opel Astra, the torque is the same for both cars. Thanks to more power BMW 1 series reaches 100 km/h speed 1.3 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 7.56.5
Real fuel consumption: 8.6 l/100km7.3 l/100km
The Opel Astra is a better choice when it comes to fuel economy.
By specification BMW 1 series consumes 1 litres more fuel per 100 km than the Opel Astra, which means that if you drive 15,000 km in a year, the BMW 1 series could require 150 litres more fuel.
By comparing actual fuel consumption based on user reports, BMW 1 series consumes 1.3 litres more fuel per 100 km than the Opel Astra.
Fuel tank capacity: 50 litres52 litres
Full fuel tank distance: 660 km in combined cycle800 km in combined cycle
840 km on highway960 km on highway
580 km with real consumption710 km with real consumption
Opel Astra gets more mileage on one fuel tank.
Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy.

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 1 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

Average engine lifespan: 420'000 km420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration: 8 years7 years
Engine spread: Used only for this carInstalled on at least 3 other car models, including Opel Zafira, Opel Vectra, Opel Meriva
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 1 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: 4.23 m4.25 m
Width: 1.75 m1.75 m
Height: 1.43 m1.46 m
Both cars are similar in size. BMW 1 series is 2 cm shorter than the Opel Astra, width is practically the same , while the height of BMW 1 series is 3 cm lower.
Trunk capacity: 330 litres380 litres
Trunk max capacity:
with rear seats folded down
1150 litres1330 litres
Opel Astra has more luggage space.
BMW 1 series has 50 litres less trunk space than the Opel Astra. The maximum boot capacity (with all rear seats folded down) is larger in Opel Astra (by 180 litres).
Turning diameter: 11 meters10.5 meters
The turning circle of the BMW 1 series is 0.5 metres more than that of the Opel Astra, which means BMW 1 series can be harder to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`7051`740
Safety:
Quality:
average

average
BMW 1 series has slightly fewer faults.
Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Opel Astra, so BMW 1 series quality could be a bit better.
Average price (€): 34001400
Rating in user reviews: 8.0/10 7.5/10
Pros and Cons: BMW 1 sērija has
  • timing chain engine
  • more power
  • more dynamic
Opel Astra has
  • timing belt engine
  • lower fuel consumption
  • more full fuel tank mileage
  • roomier boot
  • lower price
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