Sixt is my go-to car rental company since many years. They always have the best cars, in great condition and come clean and smelling great. Besides that, I've always had great experiences with their customer service. Just last week I asked them if they could specifically give me a mini-suv as I needed it to go to the hospital with my wife for the birth of our twins. Without saying anything, they gave me an upgrade to a full SUV, and I'm so thankful to them for that. Always rent with Sixt, even if you have to pay just a bit more. It will be worth it.