Book a premium car rental from SIXT in Seattle Downtown! The branch is in the Hyatt Regency hotel in the heart of downtown, just off the I-5 and a short walk from shopping, dining and hotels. Choose from a premium fleet of compact cars, sedans, SUVs and exotic models like sports cars and convertibles. Take your trip to the next level with an exotic car rental in Seattle from a top name like BMW or Mercedes-Benz. If you're planning a road trip in Washington, we offer flexible weekly, long-term or one-way car rental deals so you can see more at a great price.