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2021 GMC Sierra 1500 AT4
2021 GMC Sierra 1500 4WD Crew Cab 147" AT4
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2021 GMC Sierra 1500 4WD Crew Cab 147" AT4
2021 GMC Sierra 1500 4WD Crew Cab 147" AT4
Vehicle Details
  • Onyx Black
  • Jet Black with Kalahari accents
  • 15,390
  • 6.2L ECOTEC3 V8
  • Transmission-Auto
  • Four-wheel Drive
  • 2I247A
  • 3GTP9EEL6MG363358
City MPG
15 N/A
N/A N/A
Hwy MPG
26 N/A
N/A N/A
Actual rating will vary with options, driving conditions, habits and vehicle condition.
- + Disclaimers