BMW 3 series petrol engines consumes on average 1.4 litres less fuel per 100 km than Opel Omega. On average, BMW 3 series equipped with diesel engines consume 0.5 litres more fuel per 100 km than the Opel Omega. This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
BMW 3 series is smaller. BMW 3 series is 31 cm shorter than the Opel Omega, 6 cm narrower, while the height of BMW 3 series is 5 cm lower.
Trunk capacity:
435 litres
520 litres
Trunk max capacity: with rear seats folded down
1200 litres
870 litres
BMW 3 series has 85 litres less trunk space than the Opel Omega. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 330 litres).
Turning diameter:
10 meters
10.9 meters
The turning circle of the BMW 3 series is 0.9 metres less than that of the Opel Omega, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
