- 2007 GMC Sierra 1500 VIN 1GTEK19V77E181826 - from O Connor Motors by EveryCarListed.com This 2007 GMC Sierra 1500 SL that we have at, O Connor Motors is a must see. This Sierra 1500 has a 4.8 liter 8 cylinder 16 valve engine and a 4-Speed Automatic that are ready to haul up to 1382 pounds. It comes with an AM/FM Stereo and gives you peace of mind with its safety features, including 4-Wheel ABS and more. We would love to put you in the driver's seat of this Sierra 1500. Please contact us for more information.