- New 2010 GMC Sierra 1500 VIN 1GTSKWE34AZ286036 from Darcy Buick Pontiac GMC by EveryCarListed.com This 2010 GMC Sierra 1500 SLT that we have at, Darcy Buick Pontiac Gmc is a must see. This Sierra 1500 has a 5.3 liter 8 cylinder 16 valve engine and a 6-Speed Automatic that are ready to haul up to 1714 pounds. It comes with a Satellite Radio and gives you peace of mind with its safety features, including Fog Lamps and more. We would love to talk to you more about this Sierra 1500. Please contact us for more information. This 2010 GMC Sierra 1500 SLT that we have at, Darcy Buick Pontiac Gmc is a must see. This Sierra 1500 has a 5.3 liter 8 cylinder 16 valve engine and a 6-Speed Automatic that are ready to haul up to 1714 pounds. It comes with a Satellite Radio and gives you peace of mind with its safety features, including Fog Lamps and more. We would love to talk to you more about this Sierra 1500. Please contact us for more information.