It's pretty obvious that a 1.2 Corsa would never do 60mpg. 50 maybe. 60 never. There have been a few cases on the small claims track of the county court where people have claimed, but all they have been awarded so far is the difference in cost between what they spend and what they should have spent on fuel so far. The figures I have are: 1.2 Petrol 0-60 13.0 seconds; top speed 104mph; combined mpg 48.7 (5.8 l/100km); CO2 emissions 139g/km (Band C petrol: £100pa VED); Emissions Group EU4; Insurance Group 2E. So I don't know where 48 to 60 came from. The salesman may claim he was referring to one of the diesels.