GMC Sierra 3500 Seating Capacity (2002-2026)

The GMC Sierra 3500 seating capacity is between 3 to 6 passengers, as specified in our data below, organized by trim, option package, and model year.

Check out the Seating Capacity specifications for other makes and models.

2026 GMC Sierra 3500 Seating Capacity

The 2026 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2025 GMC Sierra 3500 Seating Capacity

The 2025 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2024 GMC Sierra 3500 Seating Capacity

The 2024 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2023 GMC Sierra 3500 Seating Capacity

The 2023 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2022 GMC Sierra 3500 Seating Capacity

The 2022 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2021 GMC Sierra 3500 Seating Capacity

The 2021 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2020 GMC Sierra 3500 Seating Capacity

The 2020 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2019 GMC Sierra 3500 Seating Capacity

The 2019 GMC Sierra 3500 seating capacity is between 5 to 6 passengers, depending on the trim.

2018 GMC Sierra 3500 Seating Capacity

The 2018 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2017 GMC Sierra 3500 Seating Capacity

The 2017 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2016 GMC Sierra 3500 Seating Capacity

The 2016 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2015 GMC Sierra 3500 Seating Capacity

The 2015 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2014 GMC Sierra 3500 Seating Capacity

The 2014 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2013 GMC Sierra 3500 Seating Capacity

The 2013 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2012 GMC Sierra 3500 Seating Capacity

The 2012 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2011 GMC Sierra 3500 Seating Capacity

The 2011 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2010 GMC Sierra 3500 Seating Capacity

The 2010 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2009 GMC Sierra 3500 Seating Capacity

The 2009 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2008 GMC Sierra 3500 Seating Capacity

The 2008 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2007 GMC Sierra 3500 Seating Capacity

The 2007 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2006 GMC Sierra 3500 Seating Capacity

The 2006 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2005 GMC Sierra 3500 Seating Capacity

The 2005 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2004 GMC Sierra 3500 Seating Capacity

The 2004 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2003 GMC Sierra 3500 Seating Capacity

The 2003 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.

2002 GMC Sierra 3500 Seating Capacity

The 2002 GMC Sierra 3500 seating capacity is between 3 to 6 passengers, depending on the trim.