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:
115 HP
122 HP
Torque:
155 NM
160 NM
Acceleration 0-100 km/h:
12.9 seconds
11 seconds
BMW 3 series is a more dynamic driving. Opel Insignia engine produces 7 HP less power than BMW 3 series, whereas torque is 5 NM less than BMW 3 series. Due to the lower power, Opel Insignia reaches 100 km/h speed 1.9 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.6
6.1
Real fuel consumption:
8.6 l/100km
7.2 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Opel Insignia consumes 1.5 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Opel Insignia could require 225 litres more fuel. By comparing actual fuel consumption based on user reports, Opel Insignia consumes 1.4 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
70 litres
63 litres
Full fuel tank distance:
920 km in combined cycle
1030 km in combined cycle
1180 km on highway
1230 km on highway
810 km with real consumption
870 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Engine production duration:
4 years
6 years
Engine spread:
Installed on at least 2 other car models, including Opel Astra, Opel Zafira
Used also on BMW 1 sērija
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Opel Insignia might be a better choice in this respect.
Hydraulic tappets:
no
yes
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:
4.83 m
4.53 m
Width:
1.86 m
1.82 m
Height:
1.50 m
1.44 m
Opel Insignia is larger. Opel Insignia is 30 cm longer than the BMW 3 series, 4 cm wider, while the height of Opel Insignia is 6 cm higher.
Trunk capacity:
520 litres
460 litres
Trunk max capacity: with rear seats folded down
1465 litres
no data
Opel Insignia has more luggage capacity. Opel Insignia has 60 litres more trunk space than the BMW 3 series.
Turning diameter:
10.9 meters
11 meters
The turning circle of the Opel Insignia is 0.1 metres less than that of the BMW 3 series.
BMW 3 series has fewer problems. According to annual technical inspection data Opel Insignia has serious deffects in 20 percent more cases than BMW 3 series, so BMW 3 series quality is probably better
