What is a fair price for a used GMC Sierra 1500 in San Antonio, TX?

The typical asking price is $38,900 across 567 listings seen in the last 7 days; the middle half ask between $28,000 and $49,700.

How many miles does a typical used GMC Sierra 1500 in San Antonio, TX have?

The median listing shows 55,000 miles.

A quarter of the listings ask under $28,000. 36 listings are asking 10% or more under fair price.

36 listings are asking 10% or more under fair price as of Oct 30, 2026.

567 listings in the last 7 days within 50 mi of San Antonio. Typical price $38,900 (middle half $28,000–$49,700).

Updated Oct 30, 2026

Model years	Listings	Typical price	Typical mileage
1991–1993	1	$3,500	235k mi
1994–1996	3	$1,800	258k mi
1997–1999	1	$6,500	245k mi
2000–2002	3	$4,000	204k mi
2006–2008	10	$15,000	59k mi
2009–2011	19	$17,500	55k mi
2012–2014	14	$12,000	141k mi
2015–2017	37	$21,900	107k mi
2018–2020	81	$28,000	98k mi
2021–2023	156	$37,900	64k mi
2024–2026	242	$48,500	26k mi

2018 GMC Sierra 1500 SLT Crew Cab146k mi · San Antonio, TXCarGurus · Dealer · seen today
$14,995Fair price $19,637−24%
2025 GMC Sierra 1500 SLT11k mi · San Antonio, TXTrueCar · Dealer · seen today
$37,125Fair price $48,530−24%

What is a fair price for a used GMC Sierra 1500 in San Antonio, TX?: The typical asking price is $38,900 across 567 listings seen in the last 7 days; the middle half ask between $28,000 and $49,700.
How many miles does a typical used GMC Sierra 1500 in San Antonio, TX have?: The median listing shows 55,000 miles.
Where are the cheapest GMC Sierra 1500 listings near San Antonio?: A quarter of the listings ask under $28,000. 36 listings are asking 10% or more under fair price. Used cars under $20,000 in San Antonio, TX
How many used GMC Sierra 1500 listings in San Antonio, TX are priced under market?: 36 listings are asking 10% or more under fair price as of Oct 30, 2026.