The article discusses five classic muscle cars from the 1960s that still look cool today, while others are considered more contemporary and better by modern standards. The list includes examples from the GTO, Charger, Mustang, and Barracuda from the era of the '60s, while some designs have remained timeless, others transcend automotive trends into the realm of art. The article focuses on examples of the Buick Riviera Gran Sport, a personal luxury car marketed as America's new "international classic car" with its luxurious appointments and ride quality. The original Oldsmobile Toronado, a sleeper car with a powerful V8 and a sports car configuration, was seen as a technological marvel and had the most powerful engine ever to see. The '65 Riviera is described as one of the best-looking cars of all time.