I have 700 hours in GTA and this is the first time I've ever seen this car. It's called Declasse Rhapsody and I'm guessing it's a Volkswagen Beetle knock off. I kinda
Rhapsody - Grand Theft Wiki, the GTA wiki
GTA car photos - Blue Declasse Rhapsody | Facebook
Declasse Rhapsody - GTA 5 Guide - IGN
Declasse Rhapsody from GTA 5 IVF for GTA San Andreas