7. AMC Eagle
The AMC Eagle emerged as a clever automotive response to tightening U.S. fuel economy regulations in the 1980s. At the time, stricter mileage standards applied primarily to passenger cars, while trucks and utility vehicles faced less stringent restrictions. Recognizing this regulatory gap, American Motors strategically designed the Eagle—a rugged, four-wheel-drive station wagon—to qualify under a newly created “car-truck hybrid” classification. This innovative engineering allowed AMC to circumvent stringent fuel economy requirements faced by conventional passenger cars. As a result, the Eagle not only became a pioneering crossover vehicle but also set the stage for the SUV craze of later decades.