Question: what are most economical cars?
Answer: 1: Peugeot 208 1.6 BlueHDi 75 S&S – 94.2mpg. ...  2: Toyota Prius – 94.2mpg. ...  3: Peugeot 308 1.6 BlueHDi 120 S&S – 91.1mpg. ...  4: Ford Fiesta 1.5 TDCi 95 S&S Econetic – 88.3mpg. ...  5: Hyundai i20 1.1 CRDi 75 Blue – 88.3mpg. ...  6: Renault Clio 1.5 dCi 90 ECO – 88.3mpg. ...  7: Vauxhall Corsa 1.3 CDTi 95 S/S Ecoflex – 88.3mpg.