2021 GMC Sierra 2500HD Denali 4×4 Crew Cab 8 ft. box 172 in. WB
2021 GMC Sierra 2500HD Denali 4×4 Crew Cab 6.75 ft. box 158.9 in. WB
2021 GMC Sierra 2500HD AT4 4×4 Crew Cab 8 ft. box 172 in. WB
2021 GMC Sierra 2500HD AT4 4×4 Crew Cab 6.75 ft. box 158.9 in. WB
2021 GMC Sierra 2500HD SLT 4×4 Crew Cab 8 ft. box 172 in. WB
2021 GMC Sierra 2500HD SLT 4×4 Crew Cab 6.75 ft. box 158.9 in. WB
2021 GMC Sierra 2500HD SLT 4×4 Double Cab 8 ft. box 162.5 in. WB
2021 GMC Sierra 2500HD SLT 4×4 Double Cab 6.75 ft. box 149.4 in. WB
2021 GMC Sierra 2500HD SLT 4×2 Crew Cab 8 ft. box 172 in. WB
2021 GMC Sierra 2500HD SLT 4×2 Crew Cab 6.75 ft. box 158.9 in. WB
