My 91 Fox WV got 40+ MPG easily.. in the 80s the Diesel rabbit easily got 50 MPG.... BOTH were far better machines than the Metro or the Festiva, bigger too.
Its not just size, transmission gear ratios, hp to weight ratio, etc all matter in MPG.
The Church of Eco says Diesel is Evil and that’s that. If you want to make a differnce, lobby the government to get these in. All three automakers have state of the art diesels ready to go from their European operations.
40 outta a Fox? I just went to www.fueleconomy.gov and it’s a 30 MPG car.
I have one still although I almost never drive it because of its lack of power and lack of air conditioning. It gets about 38 mpg - not bad but still not 50 mpg. It's best for fumigating joggers and bicyclists.