>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.
The F-150 alone has been Americas best selling vehicle for 47 years straight until getting dethroned by the RAV4 in 2024 (unless you add any of the other F-series trucks). It appears to be back on top in 2025.
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.