The Spectrum was a joint venture with Isuzu. It came in a 2 door hatch or 4 door notch back sedan. All Spectrums had a 1.5 I4 motor stick or auto avail.
The Isuzu version was called the I-Mark. Spectrums came out in 1985 and run until about 1990. At some point it was know as a Geo Spectrum, but it was the same car as the Isuzu I-Mark not the Toyota Corolla.
The Nova was was the Toyota joint venture with Chevy. The Nova was a rebadged Corolla.
The Chevy Sprint was a re-badged Suzuki.
The Tracker was a re-badged Suzuki also.