What is the average yearly mileage for a car in the US? In the UK it's around 10,000 miles. Also in the UK people drive smaller and more efficient cars more than they do in the US. As I said, I get around 350-400miles from one tank of fuel.
I work at CNBC in the UK and whenever we have the US presenter talking about a Ford Fiesta or any other small car that is normal in Europe guests and presenters complain that they'll get killed by an 18 wheeler.
Don't forget that in the UK we don't have to pay for health insurance, we don't get billed for receiving text messages or for being taken to hospital in an ambulance. So what you save on fuel is offset by those other costs and the fact that on average a US car does more miles per year as you guys are all spread out.