The landscapes in the rural regions are absolutely stunning, and a car lets you stop for photos whenever you see a beautiful view. Spending time in the vineyards or coastal towns is better when you can move around at your own pace. You can rent a car in France here
https://getrentacar.com/en-US/france . This platform connects you with various vehicle owners so you can find a ride that fits the trip perfectly. You just select the location and pick a car that works for the journey. It makes the whole process of getting a vehicle for the road trip a lot smoother.