QGIS is an open-source GIS that provides full control over coordinate transformation.
If you regularly work with geospatial data (KML, SHP, GeoJSON) in AutoCAD, upgrading to or AutoCAD Civil 3D is the most efficient professional solution. For occasional needs, the QGIS workflow provides a robust, no-cost alternative that respects coordinate system transformations—critical for maintaining spatial accuracy. how to import kml file in autocad
If your AutoCAD version supports it: