I have a 2018 hybrid Pacifica, purchased in October of last year. I love it. Had a 2017 Ford Expedition XL before this and can't believe how much more useable room the van has. It is so quiet I don't even have to turn up the radio when we hit the highway.
I have fueled 4 times since October, I refuel when it gets to half a tank.
Total of 35 gallons for 5000 miles =143 miles per gallon. We have taken it camping a few times, two people and two Australian Shepherds.
We just use plastic garage shelves for the bed, that gives us a 4X6 foot bed with two feet left over and storage underneath. We also have an
awning that attaches to the roof rack. For us, who pack light, it works fine. For someone who travels solo, all sorts of room could be had.