Greenwood

The Greenwood is a big, boxy, four door, rear-wheel drive sedan. They are actually fairly fun to drive around.

CJ's brother Sweet has a blue one with license plate "GROVE4L" in front of his house, and they are often seen around Ganton.

 

More info:

gta.wikia.com/wiki/Greenwood 

https://www.grandtheftwiki.com/Greenwood