I've had nothing but great experiences using sixt in Germany. They have a decent selection of automatic vehicle which is perfect for. On standard drivers like myself. They also are flexible when it comes to returning your vehicle after return time.
I'm Definitely a Hilton girl. I really like Hilton garden inn because they are clean and modern. They usually have an onsite restaurant where j can grab a snack in the evening or breaks fast in the a.m.