Complex sentence: The AE85 featured the 3A-U engine, which at the time was nothing new; fourth generation Toyota Corollas and Sprinters such as the AE70 featured the same engine.
Split into simpler sentences: The AE85 featured the 3A-U engine, which at the time was nothing new. Fourth generation Toyota Corollas and Sprinters such as the AE70 featured the same engine.