The 2021 GMC Sierra 1500 is a large, full-sized truck with beautiful features and impressive engine options that get you where you need to go. There are five engine options and three transmission options for this truck including a 4.3-liter, V-6 engine with 285-horsepower and a six-speed automatic transmission; a 5.3-liter, V-8 engine with 355-horsepower that is available in six-speed or eight-speed automatic transmission; a 6.2-liter, V-8 with 420-horsepower that has a ten-speed automatic transmission; a 3.0-liter, diesel, six-cylinder with 460 lb-ft of torque and a ten-speed automatic transmission; and a small, 2.7-liter, four-cylinder engine. This truck is available in rear-wheel-drive or all-wheel-drive and receives a gas mileage of up to 23 mpg city and 30 mpg highway. Features include an optional head-up display, heated seats, ventilated seats, carbon-fiber detailing, a touchscreen infotainment display, a wifi hotspot, and smart device connectivity. This truck has a four-star safety rating and optional driver assistance technologies such as lane-assistance technologies.
