>The F-series is the best selling car family in the US. Some of them are using it for its intended purpose sure, the majority are just using it as parent said,

>The F-series is the best selling car family in the US. Some of them are using it for its intended purpose sure, the majority are just using it as parent said, a luxobarge. A F550 box truck and a crew cab shortbed F150 are both F-series as well as everything in between. If not the best selling it had better be damn close with all the different vehicles that exist under that one nameplate.