Anyone know the story of this?

That GM Station Wagon has a Center-Grille if you look closely.

It may be an Oldsmobile.

Nice rubber on the 1971 Swinger though.

Looks like BF Goodrich Belted T/A.
* E 70 x 14" {Front} on 14" x 6" Rims
* E 60 x 14" {Rear} on 14" x 7" Rims