Banshee

The Banshee is a big, targa-topped, two door, two-seat, rear-wheel drive sports car. It's one of the best cars in the game in my opinion.

One spawns in an alley in southern San Fierro.

 

More info:

gta.wikia.com/wiki/Banshee 

https://www.grandtheftwiki.com/Banshee