I set out with a truck camper when I had a Ford F350 dually. I've always been a big truck guy and had that setup for about 3 years, but it was too big and too expensive to just get up and go. So I traded that and my then current Daily Driver a modified Subaru Crosstrek for my current rig, a 2017 Chevy Colorado Diesel.
I had my eye out on the revised Colorado way back in 2014. But it hadn't yet come out with the Diesel, and then it was way out of my price range. But I couldn't resist em, so every few months I'd head to the dealer, and check em out as they were few and far between. I also shopped the Tacoma new and used, but I really couldn't resist getting the little Diesel.
This July a friend picked up a ZR2, and as I was helping him shop, Chevy had a sale and stock of them on the lots. So I bit the bullet, traded both my cars and sold the Lance camper, and brought my Colorado home.
Loads of comfort and tech features make it a great daily and distance driver. I do about 750 miles a week with an average of 24mpg so it's not impractical to drive anywhere.
What I think makes it a great Overland rig is a near 1500lb payload capacity, so plenty of gear, people and supplies can be packed into the cab and 6' bed, as well as bolted on like steel skid plates, rock rails, winch and bumper, and still remain safely under the GVWR. The diesel is powerful, yet gets 500+ miles on a tank so less worries going into the sticks. It's also a great size. Coming from a full size pickup, it wasn't too bad a change. Physically it's about as long as a 90s Silverado extended cab, but a little narrower. I also looked at a '15 F150, but the new generation of 1/2 tons are just huge, so this is a solid compromise.
As I have the crew cab long bed, it's not going to be a technical trail champion, but I was aiming for a long distance build, able to hop states and then take the long way to the campsite.
Some of the challenges are much less parts availability vs the Tacoma, but there is a growing community of vendors and fabricators producing parts.
Overall I'm really happy with it. Still have a ways to go on getting it kitted out like I want, but building it is a lot of the fun for me.