Market price · Used 2012 GMC Sierra 420 listings tracked

Used 2012 GMC Sierra Price in the US

A used 2012 GMC Sierra in the US typically lists for $11,404–$18,979, with a median asking price of $14,642 across 420 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $3,500, a 2012 SLE in Belleville, MI — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2012 GMC Sierra · asking prices420 listings

median $14.6k ◀ cheapest $3,500

$6,000$30k

Typical range: $11,404 – $18,979
Median: $14,642
Cheapest 5%: under $6,530
Cheapest listed now: $3,500

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Cheapest 10 listed right now

ranked by price

$3,500

2012 GMC Sierra SLE

250,000 mi · Belleville, MI · Private Seller Exchange · +1 more like it here
View listing →
$3,650

2012 GMC Sierra SLE

276,001 mi · Houston, TX · Texas Best Deal Autos
View listing →
$3,900

2012 GMC Sierra Work Fleet Base

174,869 mi · Wrightstown, PA · Ferino Brothers
View listing →
$4,900

2012 GMC Sierra Denali

142,000 mi · Tilton, NH · Turn Key Auto Sales
View listing →
$4,990

2012 GMC Sierra SLE

246,846 mi · Willowbrook, IL · Coda Motors
View listing →
$4,995

2012 GMC Sierra Work Fleet Base

133,022 mi · Medina, OH · Southern Select Auto Sales
View listing →
$4,999

2012 GMC Sierra Work Fleet Base

205,397 mi · Grant, MI · Safeway Automotive
View listing →
$5,500

2012 GMC Sierra Work Fleet Base

136,844 mi · Warren, MI · M-97 Auto Dealer
View listing →
$5,750

2012 GMC Sierra SLE

260,721 mi · Marietta, GA · Private Seller Exchange
View listing →
$5,900

2012 GMC Sierra SLE

171,354 mi · Detroit, MI · BACH AUTO GROUP LLC
View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2012 GMC Sierra asks $11,404–$18,979. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2012 GMC Sierra cost?

A used 2012 GMC Sierra in the US typically lists for $11,404 to $18,979, with a median asking price of $14,642 across 420 active US dealer listings. Nine in ten are priced between $6,530 and $28,995 (as of 2026-10-17, source: UnderMarket Cars).

Is $15,000 a good price for a used 2012 GMC Sierra?

That sits at about the market median ($14,642) for a used 2012 GMC Sierra. Under $11,404 puts you in the cheapest quarter of active US listings and under $6,530 in the cheapest 5%; above $28,995 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2012 GMC Sierra for sale right now?

$3,500 — a 2012 GMC Sierra SLE in Belleville, MI, $11,142 under the median (as of 2026-10-17).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2012 GMC Sierra page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

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Prices updated 2026-10-17. Data covers active dealer listings across the USA.