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2021 GMC Sierra 1500 SLT

VIN 3GTP8DET6MG138922 Stock 3GTP8DET6MG138922 Location Jacksonville, FL

Price dropped by $176

Marked down 24 days ago · Last seen in dealer feed Oct 13, 2026

Listed price is not an out-the-door total. Confirm tax, title and any additional dealer fees in a written quote.

$28,994 listed price

Vehicle Highlights & Specs

Odometer137,691 mi

Transmissionautomatic

ExteriorOnyx Black

Body stylePickup

What we know

Price history↓ $176 Oct 13 · 37 days listed

Market$1,834 above market · est. How estimated

StatusLast seen in dealer feed Oct 13, 2026 · Confirm availability with dealer

Dealer-listed equipment

From the dealer feed

Leather Heated seats

Equipment can vary by trim and prior modifications. Confirm the features that matter to you with the dealer.