Just don't buy a new car..
Most cars before 1974 were awesome and can easily be adapted with a Holly throttle body fuel injection system to help with mileage.. Cars after about 1984 (when they finally started to figure out fuel injection) are reliable and good examples are out there all over the place.
You get a car that you can usually pay cash for (well, the good pre-74 cars have gone up a bunch!) If you have to repair it, it usually costs no more than one car payment of a new car..
and you get out of all kinds of things, emissions test, no worry of EDRs or any other computer recording your driving habits, insurance is less, etc..
My current vehicles, outside of my Rocket, are a 1992 Lincoln Town Car, a 1994 Ford F-350, and a 1997 Dodge full size van (kid hauler). All three run very well. The truck is currently getting the A/C fixed, but I don't make payments, so it's no big deal. It will be fixed and I won't have to fork out a payment next month..
I don't know how long it will be before I buy a 2008 vehicle.. lol