Why not look into BMW 3 series? I'm sure you might be able to find a nice mid 90s 325 in your price range.
The only thing the G20 and Sentra (SE-R) share is the engine (SR20DE)
I'm kinda on the fence as to if its real or not. Why would that camera guy be filming the back of the other's head? You need atleast 3 good angles on the money shot.