The 2011 Chevrolet Express runs on flex-fuel (unleaded/E85).
The 2011 Chevrolet Impala runs on flex-fuel (unleaded/E85).
The 2011 Chevrolet Suburban runs on flex-fuel (unleaded/E85).
The 2011 Chevrolet Tahoe runs on flex-fuel (unleaded/E85).
The 2011 Chevrolet Colorado runs on regular unleaded.
The 2011 Chevrolet Malibu runs on regular unleaded.
The 2011 Chevrolet Equinox runs on regular unleaded.
The 2011 Chevrolet Cruze runs on regular unleaded.
The 2011 Chevrolet Camaro runs on regular unleaded.
The 2011 Chevrolet Traverse runs on regular unleaded.
The 2011 Chevrolet Corvette runs on premium unleaded (recommended).
The 2011 Chevrolet Tahoe-Hybrid runs on regular unleaded.