I take premium in my little German car and that's $3.75-$3.85/gallon in this area. Regular gasoline is about $0.25-$0.40 less around here, the lowest is around $3.50.
When I got my first car it was $0.599/gallon. When I was a kid it was about half that.
You can go to
Gas Prices - MSN Autos and find prices by zip code.