Both cars are available with petrol and diesel engines. Opel Insignia is available also with LPG engines. LPG engines generally provide lower running costs and cleaner emissions compared to petrol and diesel engines.
Opel Insignia petrol engines consumes on average 1.5 litres more fuel per 100 km than Audi A4. On average, Opel Insignia equipped with diesel engines consume 0.2 litres more fuel per 100 km than the Audi A4. This comparison does not take engine capacity into account, so to compare the fuel consumption of specific engines, select the car version!
Opel Insignia is larger. Opel Insignia is 13 cm longer than the Audi A4, 3 cm wider, while the height of Opel Insignia is 7 cm higher.
Trunk capacity:
500 litres
480 litres
Trunk max capacity: with rear seats folded down
1015 litres
no data
Opel Insignia has 20 litres more trunk space than the Audi A4.
Turning diameter:
11 meters
11.4 meters
The turning circle of the Opel Insignia is 0.4 metres less than that of the Audi A4, which means Opel Insignia can be easier to manoeuvre in tight streets and parking spaces.