Market price · Used 2003 GMC Sierra 85 listings tracked

Used 2003 GMC Sierra Price in the US

A used 2003 GMC Sierra in the US typically lists for $7,499–$14,788, with a median asking price of $10,700 across 85 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $1,500, a 2003 SLE in Mayfield, KY — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2003 GMC Sierra · asking prices85 listings

median $10.7k ◀ cheapest $1,500

$2,000$24k

Typical range: $7,499 – $14,788
Median: $10,700
Cheapest 5%: under $3,088
Cheapest listed now: $1,500

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typical price per year

More years (18)

Cheapest 10 listed right now

ranked by price

$1,500

2003 GMC Sierra SLE

250,389 mi · Mayfield, KY · SS Auto Sales of Mayfield
View listing →
$1,899

2003 GMC Sierra C1500

155,145 mi · Monroe, WI · Alphorn Ford
View listing →
$2,920

2003 GMC Sierra SLT

221,300 mi · Flowood, MS · Hallmark Hyundai Flowood
View listing →
$2,950

2003 GMC Sierra K1500

278,430 mi · Kansas City, KS · Korz Auto Farm
View listing →
$2,995

2003 GMC Sierra K1500

185,136 mi · Hudson, IA · Bill Colwell Ford Isuzu Vin Solutions Only Used
View listing →
$3,461

2003 GMC Sierra Work

267,698 mi · Norman, OK · Sooner Kia
View listing →
$4,676

2003 GMC Sierra 1500 SLE Four

104,001 mi · Missoula, MT · DeMarois Buick GMC
View listing →
$4,900

2003 GMC Sierra Base

248,298 mi · Tulsa, OK · Big Mikes Auto Sales
View listing →
$4,990

2003 GMC Sierra SLT

145,621 mi · Saint Joseph, MN · Granite City Motor Car
View listing →
$5,212

2003 GMC Sierra

243,615 mi · Kempner, TX · Private Seller Exchange · +2 more like it here
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 2003 GMC Sierra asks $7,499–$14,788. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2003 GMC Sierra cost?

A used 2003 GMC Sierra in the US typically lists for $7,499 to $14,788, with a median asking price of $10,700 across 85 active US dealer listings. Nine in ten are priced between $3,088 and $22,854 (as of 2026-10-17, source: UnderMarket Cars).

Is $11,000 a good price for a used 2003 GMC Sierra?

That sits at about the market median ($10,700) for a used 2003 GMC Sierra. Under $7,499 puts you in the cheapest quarter of active US listings and under $3,088 in the cheapest 5%; above $22,854 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2003 GMC Sierra for sale right now?

$1,500 — a 2003 GMC Sierra SLE in Mayfield, KY, $9,200 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 2003 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.