I didn't have my expectations set too highly for Parking Garage Rally Circuit going in. I like the PS1 (or, as the Steam page invokes, Sega Saturn) style of graphics a lot. I find them charming, nostalgic, and pleasing to the eye. But it's also very fashionable at the moment, which means there's no guarantee that a game using them is going to be interesting.
I'm pleased to report that Parking Garage Rally Circuit (which I'm gonna start calling PGRC for my own sanity) is, however, really quite good.