2025 GMC Sierra 1500 AT4 Price: $69,155 1311 Vaughn Dr, Ottumwa, IA 52501 More Ottumwa, IA GMC Sierra 1500's 2025 $76,390 1 Miles 2025 $61,730 1 Miles 2024 $62,999 6,102 Miles 2015 $19,999 166,654 Miles 2024 $62,999 3,920 Miles 2019 $30,991 111,042 Miles