6.2L V8 EFI SOHC 16V Flex Fuel, Air Conditioning, and Power steering. Don't let the miles fool you! Nice truck! Only one other person had the privilege of owning this great-looking 2011 Ford F-250SD. Family Owned and Operated for Four Generations. Lehmer's Concord Buick-GMC has been serving Concord and the San Francisco, Oakland Bay Area since 1928. We are dedicated to making sure you have the best experience possible. Prior Rental.