Both cars are available with petrol and diesel engines. BMW 3 series 2018 is available also with hybrid engines. Hybrid engines offer superior fuel efficiency and reduced emissions compared to conventional engine types.
BMW 3 series 2018 petrol engines consumes on average 0.9 litres more fuel per 100 km than BMW 3 series 2012. On average, BMW 3 series 2018 equipped with diesel engines consume 0.1 litres more fuel per 100 km than the BMW 3 series 2012. This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
Both cars are similar in size. BMW 3 series 2018 is 9 cm longer than the BMW 3 series 2012, 2 cm wider, while the height of BMW 3 series 2018 is 1 cm higher.
Trunk capacity:
480 litres
480 litres
Trunk max capacity: with rear seats folded down
480 litres
no data
Turning diameter:
12 meters
11.7 meters
The turning circle of the BMW 3 series 2018 is 0.3 metres more than that of the BMW 3 series 2012.
Gross weight (kg):
~ 2`159
~ 2`024
Safety:
The BMW 3 series 2012 scores higher in active safety technologies (stability control, lane assist, automatic braking, etc.) tests.