Diesel vehicles have an advantage here, but remember, what you gain at the pump, you lose when it comes to servicing, thanks to the poor diesel quality.

1. Honda Jazz 1.4 (6.7 litres per 100km)
2. Toyota Yaris 1.3 T3 (6.0 litres per 100km)

3. Renault Clio 1.5 dCi (5.9 litres per 100km)

4. Mini Cooper (5.8 litres per 100km)

5. BMW 320d (5.7 litres per 100km)

6. Mazda 2 1.3 (5.4 litres per 100km)
7. VW Polo Classic TDi (4.9 litres per 100km)

8. Peugeot 107 / Citroen C1 (4.6 litres per 100km)

9. Renault Megane 1.5 dCi (4.5 litres per 100km)

10. Citroen C2 1.4 HDi Furio (4.4 litres per 100km)