I’d be looking for a 2006-7 Duramax LBZ.
That’s not a knock on Dodge. I am just familiar with and confident in Duramax/Allison trucks, and an LBZ checks a lot of boxes.
I just spent a year going through what you are doing. I decided I wanted newer technology and creature comforts
I know it is out of your area but a 30 sec search turned this up as an example
https://www.clousemotorcompany.com/...erral&utm_campaign=cargurus_listings
