The GMC Sierra GMT T1XX (2019–2025) costs on average €73,667 on the European used-car market, based on 4 listings. Typical prices range from €73,667 to €73,667 depending on year and condition.

| Year | Average price | Average mileage | Listings |
|---|---|---|---|
| 2025 | €73,667 | 16,938 km | 4 |
Market prices are averages of live European listings. Factory data comes from the Dutch vehicle registry (RDW open data).