The Q5 and X5 are both exceptional options made from the finest German technology. However, which is better will depend on your budget and style. The Q5 is the cheaper option and has better fuel economy which are its main draws, but the X5 comfortably beats it for speed, size, and cargo space.If you're struggling to decide between the two, come and have a look at them both in person and test drive them to get a feel for the cars.