http://www.cleanmpg.com/forums/showthread.php?t=2689
Small cars
Most reliable
Honda Fit
Toyota Yaris
Honda Civic Hybrid
Toyota Corolla
Least reliable
Chevrolet Cobalt
Nissan Sentra (2006)
Volkswagen Jetta (5-cyl.)
Chevrolet Aveo
Family cars
Most reliable
Honda Accord Hybrid
Toyota Prius
Honda Accord (4-cyl.)
Ford Fusion
Mercury Milan
Least reliable
Volkswagen Passat (4-cyl.)