I bet there are a number of cars and trucks out there that hit 1M or more over the years.
The first one I owned was my 1968 One ton Chevy Van. Retired it in 2004, it just died along side the road one morning, after I had filled that 30 gal tank with gas. I hit a 1.1M with that van.
Drove it all over the United States shoeing horses and cowboying up. It had dust in it from Canada to Mexico. Everything I needed in it to shoe horses, work cattle, wrangle horses. Also carried shop tools for woodworking or truck repair. Forge, cutting torch/welder, ark welder. I could stop anywhere and repair something or make a living. Just hated to loose the ole girl when she died. It was my get the H out of Dodge truck. If some heifer was having a fit I was camping with or the x on the war path and I needed to move on, I could always make a living. That ole van hauled me and the Frog Dog, and pulled ole Smoky and the Maggot many a mile. Wish I had those days to relive again in real life. That was called "Freedom" no ties
Our 1993 Ford F-150 six, will not doubt hit the 1M mark in another year or two.