TowVerdict / 2026 GMC Sierra 3500HD
Can a 2026 GMC Sierra 3500HD tow a Retaining wall block?
★ Official Verdict ★
Assuming the lowest-rated 2026 GMC Sierra 3500HD. Pick your engine for a real answer.
Conservative
Rough, but legal.
You will hate every mile of it.
2026 GMC Sierra 3500HDTow capacity: 14,500 lbsRetaining wall blockTypical load: 22 lbs
Related checks
Estimates only. Check your door jamb sticker and owner's manual before towing anything.