GMC Sierra 2500 HD (3rd gen, 2015–2019) — choose year
GMC Sierra 2500 HD 3rd gen generation — choose model year for specs, downloads, repair guides, and maintenance supplies.
2015
2015 GMC Sierra 2500 HD (3rd gen) — owner manual and common DIY jobs.
2016
2016 GMC Sierra 2500 HD (3rd gen) — owner manual and common DIY jobs.
2017
2017 GMC Sierra 2500 HD (3rd gen) — owner manual and common DIY jobs.
2018
2018 GMC Sierra 2500 HD (3rd gen) — owner manual and common DIY jobs.
2019
2019 GMC Sierra 2500 HD (3rd gen) — owner manual and common DIY jobs.