8. Oldsmobile Aerotech (1987)
The 1987 Oldsmobile Aerotech was a groundbreaking concept car that showcased GM’s engineering prowess and innovative design. Built around a modified March 84C Indycar chassis, the Aerotech featured a sleek, aerodynamically optimized carbon fiber body. It was powered by a turbocharged 2.3-liter Quad 4 engine, producing approximately 900 horsepower. In August 1987, driven by A.J. Foyt, the Aerotech set multiple speed records, including a flying mile at 267.399 mph and a closed-course record at 257.123 mph. These achievements demonstrated the potential of GM’s turbocharged powertrains and influenced the design of future production vehicles. (en.wikipedia.org)