# GMC**** SIERRA 1500 SLT for sale in Texas 1 for sale (0 new, 1 used), from $33,899 used, listed on the websites of the 121 dealers LotProwl reads. Cheapest first. Prices are what the dealers' websites showed on Nov 4, 2026, 2:59 AM CST. A vehicle may have sold since, and dealers count fees differently, so check the dealer's page before you go. Source: https://lotprowl.com/gmc/sierra-1500-slt | Price | Vehicle | Condition | Miles | Dealer | City | Dealer's page | |---|---|---|---|---|---|---| | $33,899 | 2021 GMC**** SIERRA 1500 SLT SLT | Used | 59,381 | Gunn Chevrolet | Selma, TX | |