That's actually a Dodge Dakota...
And based on the experiences I had with mine (a company work truck) - that tailgate seat would be a totally worthwhile investment.
It routinely spent a month or more a year in the shop, every year I had it...
2014 Grey Wolf 28BH, behind a 2015 F350 Diesel Crew Cab
Nights Camped 2015: 37
Nights Booked 2016: 44
Nights Camped 2016: 41