Audi A4 is more dynamic to drive. Audi A4 engine produces 9 HP more power than Opel Astra, but torque is 5 NM less than Opel Astra. Thanks to more power Audi A4 reaches 100 km/h speed 1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.3
5.9
Real fuel consumption:
5.9 l/100km
6.0 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 0.6 litres less fuel per 100 km than the Opel Astra, which means that by driving the Audi A4 over 15,000 km in a year you can save 90 litres of fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.1 litres less fuel per 100 km than the Opel Astra.
Audi A4 is larger, but lower. Audi A4 is 19 cm longer than the Opel Astra, 2 cm wider, while the height of Audi A4 is 9 cm lower.
Trunk capacity:
390 litres
480 litres
Trunk max capacity: with rear seats folded down
1250 litres
1500 litres
Opel Astra has more luggage space. Despite its longer length, Audi A4 has 90 litres less trunk space than the Opel Astra. This could mean that the Audi A4 uses more space in the cabin, so the driver and passengers could be more spacious and comfortable. The maximum boot capacity (with all rear seats folded down) is larger in Opel Astra (by 250 litres).
Turning diameter:
11.1 meters
10.8 meters
The turning circle of the Audi A4 is 0.3 metres more than that of the Opel Astra.
Opel Astra has fewer problems. According to annual technical inspection data Audi A4 has serious deffects in 10 percent more cases than Opel Astra, so Opel Astra quality is probably slightly better
