BMW 3 series engine produces 10 HP more power than Alfa Romeo 156, whereas torque is 10 NM more than Alfa Romeo 156. Despite the higher power, BMW 3 series reaches 100 km/h speed 0.1 seconds later.
Fuel consumption
Fuel consumption (l/100km):
5.9
6.0
Real fuel consumption:
6.1 l/100km
5.9 l/100km
By specification BMW 3 series consumes 0.1 litres less fuel per 100 km than the Alfa Romeo 156, which means that by driving the BMW 3 series over 15,000 km in a year you can save 15 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.2 litres more fuel per 100 km than the Alfa Romeo 156.
Both cars are similar in size. BMW 3 series is 5 cm longer than the Alfa Romeo 156, width is practically the same , while the height of BMW 3 series is 1 cm lower.
Trunk capacity:
435 litres
360 litres
Trunk max capacity: with rear seats folded down
no data
1180 litres
BMW 3 series has more luggage capacity. BMW 3 series has 75 litres more trunk space than the Alfa Romeo 156.
Turning diameter:
10 meters
11.6 meters
The turning circle of the BMW 3 series is 1.6 metres less than that of the Alfa Romeo 156, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
BMW 3 series has fewer problems. According to annual technical inspection data Alfa Romeo 156 has serious deffects in 100 percent more cases than BMW 3 series, so BMW 3 series quality is probably significantly better
