Extended Cab, EcoTec3 4.3L V6 Flex Fuel, 6-Speed Automatic Electronic with Overdrive, RWD, and Iridium Metallic. Short Bed! Extended Cab! Your quest for a gently used truck is over. This charming 2014 GMC Sierra 1500 has only had one previous owner, with a great track record and a long life ahead of it. This terrific GMC is one of the most sought after used vehicles on the market because it NEVER lets owners down. Prices do not include government fees and taxes, any finance charges, any dealer document processing charge, any electronic filing charge, and any emission testing charge.