The Nissan 180SX is a fastback automobile that was produced by Nissan Motors between 1988 and 1998. It is based on the S13 chassis from the Nissan S platform with the variants receiving an R designation, and was sold exclusively in Japan paired with the CA18 motor in the early models; later models paired with the SR20 motor. Outside of Japan, it was re-badged as the 200SX and in the US market as the Nissan 240SX, paired with the single overhead cam KA24E motor and later with the dual-overhead model KA24DE.