Sixt takes 15% off Car Rentals throughout the United Kingdom with prices starting at $12.33 per day, as provided by ShermansTravel. That's the second-best European rate we've seen from Sixt in the past 12 months. It's also a current low for select rentals by a buck. Blackout dates may apply. It's valid at participating locations in the UK only. Fees, insurance, and taxes are additional. Discount is reflected in the listed price. A 7-day minimum rental may be required. This travel deal ends February 5.