The 2023 GMC Sierra 1500 sets the Professional Grade standard. With powerful capability, bold presence and advanced technology, Sierra delivers what it takes to handle what life throws your way. Eric Brandt, with Edmunds wrote...The GMC Sierra 1500 is a desirable full-size truck for drivers looking for a reliable workhorse, a luxurious highway cruiser, or just about anything in between. The full-size pickup truck segment is one of the most competitive in the automotive world. Despite tough competition from trucks like the Ford F-150 and Ram 1500, the GMC Sierra 1500 remains an excellent choice in this class Sierra SLT delivers the style, refinement, capability, power and efficiency your life demands of your truck. Outside, its tall stance and large bed are highlighted by high-intensity LED headlamps, LED taillamps and chrome accents on the grille, fog lamps, side-window surrounds, bumpers, mirror caps and door handles. SLT also includes power supplied by a 355-hp 5.3L V8 engine with an 8-speed automatic transmission and a 10-speed automatic transmission. Sierra SLT models heighten your driving experience with comfortable seating that offers a tall, commanding view and driver-centric controls and instrumentation along with purposeful technologies. And rear-seat climate comfort is provided by rear vents along with available heated rear outboard seats on Crew Cab models. Sierra is all about doing thingsâand doing them well. From its spacious cabin with generous head and leg room to its large cargo bedsâwhich range from 62.9 cu. ft. to 71.7 cu. ft This SLT Crew Cab features the SLT Premium Package which includes, front bucket seat with a center console, 20 inch aluminum rims, chrome assist steps, a power rake and telescoping steering wheel and the BOSE Premium sound system