The fuel efficiency of the A2 is mostly due to it being a small car with a small engine. However if they saved 100kg from the body mass, that's l0% of the A2's

The fuel efficiency of the A2 is mostly due to it being a small car with a small engine. However if they saved 100kg from the body mass, that's l0% of the A2's overall mass. Shame they cancelled it, people who had them loved them.