I was getting over 20 mpg with the 1500 until I mounted 255/80-17 Toyo AT3 tires --- narrow true 33". With 3.92 gearing my mileage dropped to around 17.
Just tires. I didn't think it would affect it that much.
....but the OE tires were P rated softie sidewall crap. 31.6" but really bad offroad.
Most of our members will say "Partner" but this is the one I have and it works great.
You have to sink it into a top of some sort.
Very cool of you to say that ---- Chad and Kos are real people, real members of the community, and real nice people to camp with.
This and these types of businesses are the ones that our collective should be supporting.
BTW, seeing that you're from England, it made me think of Guinness. And...