TowVerdict / 2026 GMC Sierra 3500HD
Can a 2026 GMC Sierra 3500HD tow an OSB sheet (4x8, 7/16in)?
★ Official Verdict ★
Assuming the lowest-rated 2026 GMC Sierra 3500HD. Pick your engine for a real answer.
Conservative
Doable. Barely.
Fine on paper. Miserable on a grade.
2026 GMC Sierra 3500HDTow capacity: 14,500 lbsOSB sheet (4x8, 7/16in)Typical load: 46 lbs
Related checks
Estimates only. Check your door jamb sticker and owner's manual before towing anything.