- 2010 GMC Sierra 2500HD VIN 1GT4K0BG4AF153047 - from Rotman Motor Company by EveryCarListed.com You must see this 2010 GMC Sierra 2500HD SLE that we have at, Rotman Motors . This Sierra 2500HD has a 6.0 liter 8 cylinder 16 valve engine and a 6-Speed Automatic transmission that is ready to haul up to 3228 pounds. We would love to put you in the driver's seat of this Sierra 2500HD. Please contact us for more information. You must see this 2010 GMC Sierra 2500HD SLE that we have at, Rotman Motors . This Sierra 2500HD has a 6.0 liter 8 cylinder 16 valve engine and a 6-Speed Automatic transmission that is ready to haul up to 3228 pounds. We would love to put you in the driver's seat of this Sierra 2500HD. Please contact us for more information.