Reducing our impact on the environment should be our number one priority - the car we buy makes a big difference.

This year the Car Buyer’s Guide has ranked the following cars as the top 10 overall:

1. Honda New Insight
2. Toyota iQ
3. Toyota Yaris
4. Nissan Pixo
5. Suzuki Alto
6. Honda Civic Hybrid
7. Ford New Fiesta
8. Toyota Auris
9. Mazda Mazda2
10. Toyota Prius

For comparison, you can also see the ten worst cars.