TowVerdict / 2026 GMC Sierra 2500HD
Can a 2026 GMC Sierra 2500HD tow a Fifth wheel (32ft)?
★ Official Verdict ★
Assuming the lowest-rated 2026 GMC Sierra 2500HD. Pick your engine for a real answer.
Conservative
The spec sheet says yes.
Your brakes are about to have a personality.
2026 GMC Sierra 2500HDTow capacity: 14,500 lbsFifth wheel (32ft)Typical load: 12,500 lbs
Oh, by the way
- Oh, and — a brake controller. Most states legally require one at this weight. Trailer brake controller →
- Extendable mirrors — so you can actually see past whatever you're dragging. Extendable tow mirrors →
Related checks
Estimates only. Check your door jamb sticker and owner's manual before towing anything.