I wouldn’t recommend attempting Aztek Wash Rd. in any 2wd vehicle. We started it in our Sprinter but came to steep hills with loose gravel about 1.5-2 miles in and didn’t feel confident that we’d be able to climb out, so we turned back. Talked to the owner of the nearby ghost town site and he said it gets worse about 5 miles in and said you’ll need 4wd to get up some of the steep, gravelly hills.