TowVerdict / 2026 GMC Sierra 1500

Can a 2026 GMC Sierra 1500 tow a Ski/wake boat (21ft) + trailer?

★ Official Verdict ★

Assuming the lowest-rated 2026 GMC Sierra 1500. Pick your engine for a real answer.

Conservative

Do it.

Bring snacks. That's the hard part.

2026 GMC Sierra 1500Tow capacity: 8,700 lbsSki/wake boat (21ft) + trailerTypical load: 5,400 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.