New 2023 GMC Sierra 2500HD SLT Crew Cab Pickup #G10020 | Ken Garff 2023 GMC Sierra 2500HD Review, Ratings, Specs, Prices, and Photos New 2023 GMC Sierra 2500HD SLT Extended Cab Pickup #3G23047 | Ken 2023 GMC Sierra 2500HD SLT 4×2 Crew Cab 6.75 ft. box 158.9 in. WB 2023 GMC Sierra Heavy Duty Truck | SLE & SLT, Denali, & AT4 2023 GMC Sierra HD: Choosing the Right Trim Autotrader 2023 GMC Sierra Heavy Duty Truck | SLE & SLT, Denali, & AT4 New 2023 GMC Sierra 2500HD AT4 for sale in Fremont, CA 2023 GMC Sierra HD: Should You Choose the SLE or SLT Trim?
