GMC 2018 GMC Sierra 1500 Base 2018 GMC Sierra 1500 Base SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: White City MPG: 17 Interior Color: Black Highway MPG: 22 Drivetrain: RWD Transmission: 6-Speed Automatic Engine: 5.3L V8 16V GDI OHV Car Features Hot Car Deals! 2005 Hummer H2 SUT 2019 BMW X5 xDrive40i 2014 Ford Explorer Sport 2019 Honda Accord Sport 2019 Jeep Wrangler Unlimited Sport 2020 Acura RDX Base 2020 Lexus LX 570 LX 570 2017 Nissan Murano Platinum