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Specifications Comparison: 2023 GMC Sierra 3500 vs 2021 GMC Sierra 3500

Researched By The AutoPadre Staff

Seating Capacity

2023 GMC Sierra 3500

Seating Capacity

Trim Engine Seating Capacity Doors
HD Pro Crew Cab 159"6.6L V864
HD Pro Crew Cab 172"6.6L V864
HD Pro Double Cab 162"6.6L V864
HD Pro Reg Cab 142"6.6L V832
HD Pro Crew Cab 159"6.6L V864
HD Pro Crew Cab 172"6.6L V864
HD Pro Double Cab 162"6.6L V864
HD Pro Reg Cab 142"6.6L V832
HD SLE Crew Cab 159"6.6L V864
HD SLE Crew Cab 172"6.6L V864
HD SLE Double Cab 162"6.6L V864
HD SLE Reg Cab 142"6.6L V832
HD SLE Crew Cab 159"6.6L V864
HD SLE Crew Cab 172"6.6L V864
HD SLE Double Cab 162"6.6L V864
HD SLE Reg Cab 142"6.6L V832
HD SLT Crew Cab 159"6.6L V864
HD SLT Crew Cab 172"6.6L V864
HD SLT Crew Cab 159"6.6L V864
HD SLT Crew Cab 172"6.6L V864
HD AT4 Crew Cab 159"6.6L V854
HD AT4 Crew Cab 172"6.6L V854
HD Denali Crew Cab 159"6.6L V854
HD Denali Crew Cab 172"6.6L V854

2021 GMC Sierra 3500

Seating Capacity

Trim Engine Seating Capacity Doors
HD Crew Cab6.6L V864
HD Crew Cab6.6L V864
HD Crew Cab6.6L V864
HD Crew Cab6.6L V864
HD Crew Cab AT46.6L V854
HD Crew Cab AT46.6L V854
HD Crew Cab Denali6.6L V854
HD Crew Cab Denali6.6L V854
HD Crew Cab SLE6.6L V864
HD Crew Cab SLE6.6L V864
HD Crew Cab SLE6.6L V864
HD Crew Cab SLE6.6L V864
HD Crew Cab SLT6.6L V864
HD Crew Cab SLT6.6L V864
HD Crew Cab SLT6.6L V864
HD Crew Cab SLT6.6L V864
HD Extended Cab6.6L V864
HD Extended Cab6.6L V864
HD Extended Cab6.6L V864
HD Extended Cab6.6L V864
HD Extended Cab SLE6.6L V864
HD Extended Cab SLE6.6L V864
HD Extended Cab SLE6.6L V864
HD Extended Cab SLE6.6L V864
HD Regular Cab6.6L V832
HD Regular Cab6.6L V832
HD Regular Cab6.6L V832
HD Regular Cab6.6L V832
HD Regular Cab SLE6.6L V832
HD Regular Cab SLE6.6L V832
HD Regular Cab SLE6.6L V832
HD Regular Cab SLE6.6L V832

Go to the GMC Sierra 3500 Seating Capacity Data.

Compare the GMC Sierra 3500 Seating Capacity Side-By-Side by Year

2004 vs. 2005

2011 vs. 2009

2023 vs. 2024

2013 vs. 2022

2021 vs. 2014

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