TowVerdict / 2026 GMC Sierra 3500HD
Can a 2026 GMC Sierra 3500HD tow a Deck board (5/4x6, 16ft)?
★ Official Verdict ★
Assuming the lowest-rated 2026 GMC Sierra 3500HD. Pick your engine for a real answer.
Conservative
The spec sheet says yes.
Your brakes are about to have a personality.
2026 GMC Sierra 3500HDTow capacity: 14,500 lbsDeck board (5/4x6, 16ft)Typical load: 22 lbs
Related checks
Estimates only. Check your door jamb sticker and owner's manual before towing anything.