The Sierra 2500HD is available in five trim levels, listed as Pro, SLE, SLT, AT4, and Denali. The Glassboro Buick GMC dealer tells us the Pro and SLE models are offered in three cab designs: Regular Cab, Double Cab, and Crew Cab, while the SLT is available in either Double Cab or Crew Cab styles. The premium AT4 and Denali are exclusively Crew Cab models. The Sierra 2500HD is available in both two- or four-wheel drive configurations.
The 2023 GMC Sierra 2500HD is renowned for its substantial power. The standard 6.6-liter V8 engine puts out 401 horsepower and 464 lb-ft of torque and is mated to a six-speed automatic gearbox. For even more power, an optional Duramax turbodiesel 6.6-liter V8 engine delivers an impressive 445 hp and 910 lb-ft of torque, paired with an Allison 10-speed automatic transmission.
Glassboro GMC Dealership
2023 GMC Sierra 2500HD Pro
The entry-level GMC Sierra 2500HD Pro is a reliable work truck. It features 17-inch steel wheels, LED headlights and taillights, chrome-plated bumpers, manual window and door locks, vinyl upholstery and floor coverings, a 40/20/40-split front bench seat, cargo area illumination, a lockable tailgate and spare tire holder, air conditioning, manually adjustable trailering mirrors, built-in rear bumper corner steps, and a trailer hitch equipped with hitch guidance. An infotainment system with a 7-inch touchscreen, Apple CarPlay and Android Auto compatibility, a two-speaker audio system, a rearview camera, and dual USB ports are also standard.
Extended-cab and crew-cab models are upgraded with rear AC vents, power-operated windows and door locks, a 60/40-split rear bench seat, a six-speaker audio system, and a rear seat reminder setup.
Glassboro GMC
2023 GMC Sierra 2500HD SLE
The GMC Sierra 2500HD SLE includes 17-inch alloy wheels, power-operated door locks and windows, enhanced exterior trim, remote keyless entry, carpeted flooring, cloth upholstery, power-adjustable heated trailering mirrors, a MultiPro configurable tailgate, an integrated trailer brake controller, an 8-inch infotainment touchscreen, a Wi-Fi hotspot, satellite radio, and cruise control.
GMC Dealer Glassboro
2023 GMC Sierra 2500HD SLT
The GMC Sierra 2500HD SLT gets standard features that include 18-inch alloy wheels clad in all-terrain tires, added chrome exterior trim, advanced headlights and taillights, LED fog lights, LED cargo bed illumination, keyless access with push-button engine start, remote engine start, leather seats, heated front seats, power-adjustable front seats with driver memory settings, and a heated steering wheel. It also comes with a high-definition rearview camera with Hitch View angle, dual-zone automatic climate control, power-folding and -extending trailering mirrors, a theft prevention system, digital steering assistance, and 120-volt power outlets on the dashboard and in the cargo bed.
Glassboro GMC Dealership
2023 GMC Sierra 2500HD AT4
Step up to the GMC Sierra 2500HD AT4, and you're set for off-road exploration. This model includes four-wheel drive, off-road suspension tuning, hill descent control, front ventilated bucket seats with a center console, underbody skid plates, body-color bumpers, a spray-in bed liner, and recovery hooks.
Glassboro GMC Dealership
2023 GMC Sierra 2500HD Denali
The GMC Sierra 2500HD Denali introduces a luxurious touch. It includes 20-inch alloy wheels, roof marker lights, premium leather upholstery, wood and aluminum interior trim, a power-operated sliding rear window, an advanced driver information system, a Bose premium stereo system, a bed-view camera, and a navigation system. The Denali also comes equipped with safety features that are optional on other models, including blind-spot warning with rear cross-traffic alert, forward collision mitigation, lane departure warning, a surround-view camera setup, automatic high-beam headlights, parking sensors, and a safety alert seat.
* All vehicle mileage based on 2023 EPA mileage estimates. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary, depending on how you drive and maintain your vehicle.
