17. Oldsmobile Alero Alpha (1997)

The Oldsmobile Alero Alpha, introduced in 1997, boasted advanced features like keyless entry, a heads-up display, and active aerodynamics—technologies now standard in many vehicles. This concept car reflected GM’s commitment to pushing innovation, setting the stage for the smart, connected cars of the 2020s. Explore the Alero Alpha’s influence on automotive technology at Hemmings.