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