Yep but they suffer from a common problem in that the special features (cold adaption, solar cell's, etc) are all described but no info on the rig itself do they have bathing facilities, beds? Going by the stat block they seat 10 people (which is a lot if your talking sleeping facilities for same) and the amenities are all squatter level not low or medium like some of the other vehicles. That worries me, take the Mack Hellhound it say's it has a sleeper cabin even a troll can fit in so no bathing facilities etc yet its a step up amenities wise from squatter to low. Then when we look at the dodge general that does specifically call out bathing/sleep facilities they're both listed in the stat block as special equipment which neither of the other two do (special equipment (bathroom), special equipment (sleeping quarters)) and its amenities are medium.
Which brings me to how these things are defined in the upgrades section. Special equipment p.g. 165 is a catch all term for any special equipment and its up to GM to decide costs (which annoyingly doesn't even have sample ones for the equpiment already given to compare too) and amenities p.g. 169 is the vehicles luxury package for want of a better term to determine how nice the vehicle is to use e.g. luxury is heated massage seats, AR functions, etc. A standard vehicle has low amenities but can be downgraded to squatter (which the airline ones all are) to gain increased seating.
At which point it gets confusing a vehicle count as the equivilent lifestyle for healing and you can live in them as long as you pay the cost. However both bathing facilities and sleeping quarters are called out specifically in the dodge in the description and the statblock as special equipment. So I think its you can live in a vehicle with amenities but you don't have anywhere to wash or sleep properly unless you have them as special equipment in which case they're at the level of the amenities. Confusing rule match up here but that's how it reads to me amenities is how nice the car/truck/boat/bike/plane is, special equipment is if you can sleep/bathe in it but the hellhound does specifically say it has a sleeper cabin but doesn't mention it in the statblock.
So the airline may technically be an RV but its the equivilent of a coffin hotel or squatting in an abandoned building no beds, no shower, no cooking facilities. It gets worse in that it apparently has been downgraded to squatter amenities saving you 100 yen and upgrading its 6.6 repeating seats to 10 (you need that weird number to upgraded the seating by 50% as per the increased seating upgrade or maybe you want 9.something and round up?) There's apparently no bathing facilities or beds since the only one to have that is the dodge and its also called out as having medium amenities and sleeping quarters both in the description AND the stat block. Which means living wise the dodge is the equivilent of a nice little condo whereas the airline is sleeping in a rat infested building or coffin motel and the hellhound is maybe sleeping on a friends couch?