TowVerdict / 2026 GMC Sierra 3500HD

Can a 2026 GMC Sierra 3500HD tow a 1 jet ski (no trailer, on truck)?

★ Official Verdict ★

Assuming the lowest-rated 2026 GMC Sierra 3500HD. Pick your engine for a real answer.

Conservative

You can.

The margin is real but it's thin. Drive like it.

2026 GMC Sierra 3500HDTow capacity: 14,500 lbs1 jet ski (no trailer, on truck)Typical load: 750 lbs

Oh, by the way

Transom straps — because a boat bouncing off the trailer is nobody's day. Transom tie-down straps →
Submersible lights, unless you like replacing bulbs every launch. Submersible trailer lights →

Related checks

Estimates only. Check your door jamb sticker and owner's manual before towing anything.