- 2007 GMC Sierra 1500 VIN 2GTEC13C371666700 - from Guess Motors/Guess Ford Mercury by EveryCarListed.com This 2007 GMC Sierra 1500 143 5 that we have at, Guess Motors/Guess Ford Mercury 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 1658 pounds. It comes with an AM/FM Stereo, Keyless Entry, and gives you peace of mind with its safety features, including 4-Wheel ABS, Fog Lights, Privacy Glass and more. We would love to put you in the driver's seat of this Sierra 1500. Please contact us for more information.