Front wheel drive (FWD) / All wheel drive (AWD, 4x4)
Rear wheel drive (RWD) / All wheel drive (AWD, 4x4)
Audi A4 is available with front wheel drive and four wheel (4x4) drive, while BMW 3 series can be equipped with rear wheel drive and four wheel (4x4) drive. All-wheel drive models tend to consume more fuel, so if you don't need off road capabilities, Audi A4 also offers 2-wheel drive versions for fuel economy. 2WD versions also have lower maintenance costs.
Audi A4 petrol engines consumes on average 0.1 litres more fuel per 100 km than BMW 3 series. On average, Audi A4 equipped with diesel engines consume 0.6 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!
Both cars are similar in size. Audi A4 and BMW 3 series are practically the same length.
Trunk capacity:
390 litres
435 litres
Trunk max capacity: with rear seats folded down
1270 litres
1345 litres
BMW 3 series has more luggage space. Audi A4 has 45 litres less trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 75 litres).
Turning diameter:
11.1 meters
10 meters
The turning circle of the Audi A4 is 1.1 metres more than that of the BMW 3 series, which means Audi A4 can be harder to manoeuvre in tight streets and parking spaces.