Live US dealer listings Median-priced benchmark Updated 2026-10-16
Market price · Used 2025 GMC Sierra 4,720 listings tracked

Used 2025 GMC Sierra Price in the US

A used 2025 GMC Sierra in the US typically lists for $40,466–$55,987, with a median asking price of $46,206 across 4,720 active US dealer listings (as of 2026-10-16). The cheapest one listed right now is $25,980, a 2025 AT4 in Denver, CO — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2025 GMC Sierra · asking prices4,720 listings
$35k$67.5k
Typical range
$40,466 – $55,987
Median
$46,206
Cheapest 5%
under $35,995
Cheapest listed now
$25,980

Browse by model year

typical price per year
More years (19)

Cheapest 10 listed right now

ranked by price
  1. $25,980
    2025 GMC Sierra AT4
    18,365 mi · Denver, CO · AE Of Miami
    View listing →
  2. $27,899
    2025 GMC Sierra Fleet Base
    45,584 mi · Chesapeake, VA · Southern Kia Greenbrier
    View listing →
  3. $28,950
    2025 GMC Sierra Fleet Base
    2,000 mi · Mineola, IA · Big O Auto
    View listing →
  4. 2025 GMC Sierra
    $28,999
    2025 GMC Sierra Fleet Base
    6,691 mi · North Palm Beach, FL · Mazda of Palm Beach
    View listing →
  5. 2025 GMC Sierra
    $29,069
    2025 GMC Sierra SLT
    116,471 mi · Bakersfield, CA · Prestige Auto Sales - Bakersfield
    View listing →
  6. $29,598
    2025 GMC Sierra Fleet Base
    39,031 mi · Surprise, AZ · Sands Chevrolet Surprise
    View listing →
  7. 2025 GMC Sierra
    $29,785
    2025 GMC Sierra Fleet Base
    600 mi · Huntsville, AL · Shottenkirk Honda Huntsville
    View listing →
  8. $29,995
    2025 GMC Sierra Fleet Base
    18,307 mi · Titusville, FL · Starling Honda
    View listing →
  9. $30,112
    2025 GMC Sierra Fleet Base
    6,272 mi · Charlotte, NC · Hendrick Honda
    View listing →
  10. $30,134
    2025 GMC Sierra Fleet Base
    42,485 mi · Siloam Springs, AR · Superior Ford
    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 2025 GMC Sierra asks $40,466–$55,987. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2025 GMC Sierra cost?

A used 2025 GMC Sierra in the US typically lists for $40,466 to $55,987, with a median asking price of $46,206 across 4,720 active US dealer listings. Nine in ten are priced between $35,995 and $65,783 (as of 2026-10-16, source: UnderMarket Cars).

Is $46,000 a good price for a used 2025 GMC Sierra?

That sits at about the market median ($46,206) for a used 2025 GMC Sierra. Under $40,466 puts you in the cheapest quarter of active US listings and under $35,995 in the cheapest 5%; above $65,783 is the priciest 5% (as of 2026-10-16).

What is the cheapest used 2025 GMC Sierra for sale right now?

$25,980 — a 2025 GMC Sierra AT4 in Denver, CO, $20,226 under the median (as of 2026-10-16).

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 2025 GMC Sierra page is regenerated from it when it is requested. The figures on this page are from 2026-10-16.

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Prices updated 2026-10-16. Data covers active dealer listings across the USA.