Welcome to Sixt car rental Colorado in Aspen. Get around charming Aspen with a SIXT rental car, where you can choose from a large fleet of compact cars, SUV's or convertibles. Our convenient and easy to locate branch offers first-class customer service so you can be on the road and enjoy the ski slopes in no time. Rent a car with SIXT and take advantage of flexible arrangements and affordable car rental deals in Aspen. Select from our fleet of premium rental car categories.