Market price · Used 2006 GMC Sierra 121 listings tracked

Used 2006 GMC Sierra Price in the US

A used 2006 GMC Sierra in the US typically lists for $7,399–$17,394, with a median asking price of $11,339 across 121 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $1,779, a 2006 K1500 in Madison Heights, MI — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2006 GMC Sierra · asking prices121 listings

median $11.3k cheapest $1,779

$0$35k

Typical range: $7,399 – $17,394
Median: $11,339
Cheapest 5%: under $3,886
Cheapest listed now: $1,779

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Cheapest 10 listed right now

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$1,779

2006 GMC Sierra K1500

277,000 mi · Madison Heights, MI · Suburban Auto Sales
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$1,999

2006 GMC Sierra K1500

288,918 mi · Colfax, WI · COLFAX CHEVROLET INC
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$2,000

2006 GMC Sierra SLE

224,675 mi · Weslaco, TX · BAC Motors
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$2,999

2006 GMC Sierra K1500

223,289 mi · WESTPORT ISLAND, ME · Tucker Chevrolet
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$3,588

2006 GMC Sierra C1500

232,100 mi · Spokane, WA · PM Auto Sales
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$3,650

2006 GMC Sierra C1500

157,420 mi · Onawa, IA · Brett Spaulding Sales
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$3,886

2006 GMC Sierra K1500

232,201 mi · Fargo, ND · Corwin Public Wholesale
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$4,699

2006 GMC Sierra C2500 Heavy Duty

291,550 mi · Morganton, NC · Drive Wright Auto Sales
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$4,790

2006 GMC Sierra Work

295,216 mi · Grand Forks, ND · Twin City Motors
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$4,995

2006 GMC Sierra C1500

171,000 mi · Saint James, MO · VIP Auto Finance Group
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These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2006 GMC Sierra asks $7,399–$17,394. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2006 GMC Sierra cost?

A used 2006 GMC Sierra in the US typically lists for $7,399 to $17,394, with a median asking price of $11,339 across 121 active US dealer listings. Nine in ten are priced between $3,886 and $34,995 (as of 2026-10-19, source: UnderMarket Cars).

Is $11,000 a good price for a used 2006 GMC Sierra?

That sits at about the market median ($11,339) for a used 2006 GMC Sierra. Under $7,399 puts you in the cheapest quarter of active US listings and under $3,886 in the cheapest 5%; above $34,995 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2006 GMC Sierra for sale right now?

$1,779 — a 2006 GMC Sierra K1500 in Madison Heights, MI, $9,560 under the median (as of 2026-10-19).

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 2006 GMC Sierra page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.

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Prices updated 2026-10-19. Data covers active dealer listings across the USA.