Least reliable (Worst score first)
Cadillac STS (V8)
2006 Mercees-Benz S-class
Mercedes-Benz CLS*
Mercedes-Benz E-class sedan
BMW 7-series
Jaguar S-type

Least reliable (Worst score first)
Pontiac Solstice*
Mercedes-Benz SL
Mercedes-Benz CLK
Mercedes-Benz SLK (V6)
Chevrolet Corvette
Porshce 911 Carrera
Ford Mustang (V6)

Least reliable (Worst score first)
Mercedes-Benz M-class*
Land Rover LR3 (V8)
Cadillac SRX (V8)
Mercedes-Benz R-class*
Volkswagen Touareg
Jeep Grand Cherokee
Hummer H3*
2006 BMW X5 (V8)
Volvo XC90 (I6 and V8)
Ford Explorer (V8)
Mercury Mountaineer (V8)


2007 models unless otherwise noted.
*Predicted reliability based on only one model year.
European models scored the worse overall.


I know the arguments. Benz buyers are most likely to complain, consumer reports sucks, yada yada yada...but yikes
http://money.cnn.com/popups/2006/autos/reliable/index.html