The 2012 Mercedes-Benz GL-Class runs on diesel.
The 2012 Chrysler 300 runs on flex-fuel (FFV).
The 2012 Buick Regal runs on flex-fuel (FFV).
The 2012 Chevrolet Malibu runs on flex-fuel (FFV).
The 2012 GMC Savana runs on flex-fuel (FFV).
The 2012 Chevrolet Express runs on flex-fuel (FFV).
The 2012 Chevrolet Tahoe runs on flex-fuel (FFV).
The 2012 Dodge Charger runs on flex-fuel (FFV).
The 2012 GMC Yukon runs on flex-fuel (unleaded/E85).
The 2012 Cadillac SRX runs on flex-fuel (unleaded/E85).
The 2012 Chevrolet Impala runs on flex-fuel (unleaded/E85).
The 2012 Chevrolet Suburban runs on flex-fuel (unleaded/E85).
The 2012 Dodge Durango runs on flex-fuel (unleaded/E85).