The 2006 Chevrolet Suburban runs on flex-fuel (FFV).
The 2006 Chevrolet Impala runs on flex-fuel (FFV).
The 2006 GMC Yukon-XL runs on flex-fuel (unleaded/E85).
The 2006 Audi A6 runs on regular unleaded.
The 2006 Subaru Legacy runs on regular unleaded.
The 2006 Honda Accord runs on regular unleaded.
The 2006 Ford Taurus runs on regular unleaded.
The 2006 Toyota Sienna runs on regular unleaded.
The 2006 Toyota Prius runs on regular unleaded.
The 2006 Toyota Camry runs on regular unleaded.
The 2006 Honda Civic runs on regular unleaded.
The 2006 Chevrolet Malibu runs on regular unleaded.