12. Saab 9000 Aero (1993-1997)
The Saab 9000 Aero emerged as one of Europe’s most underrated performance sedans during the mid-’90s, combining Swedish practicality with potent turbocharged power. Under its understated design, the Aero featured a 2.3-liter turbocharged inline-four engine generating 225 horsepower. Its swift acceleration allowed it to dash from 0 to 60 mph in approximately 6.5 seconds, rivaling contemporary German sedans like the BMW 540i and Audi S6. Additionally, its exceptional mid-range torque made highway passing effortless. The 9000 Aero provided enthusiasts with a uniquely Scandinavian alternative, blending high-speed comfort with spirited driving dynamics, yet remains an overlooked gem today.
Source: Hemmings