AT4 4x4 Crew Cab 6.75 ft. box 158.9 in. WB SRW
2021 GMC Sierra 3500HD Photos
AT4 4x4 Crew Cab 6.75 ft. box 158.9 in. WB SRW
2021 GMC Sierra 3500HD trims (39)
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(AT4) 4x4 Crew Cab 6.75 ft. box 158.9 in. WB SRW
| MSRP | $60,300 |
| Engine | 6.6L V-8 |
| MPG | city / hwy |
