In contrast to other American prestigious brands of the period, Duesenbergs were much faster, more powerful and crazy expensive. The attention to details and quality control were legendary, and every Duesenberg was thoroughly tested before it was delivered to the customer. The milestone of the company was in the early ’30s when the Model SJ was introduced. This car could be ordered as a sedan or a convertible, and it had a rare supercharged option which boosted the power to 320 hp!