The Q5 is a compact crossover, and one with a relatively small footprint. It's packaged quite well, with great room for four adults and luggage, and the flexibility to handle other scenarios with aplomb.
The driving position is high and commanding in the Q5, and the standard seats are exceptionally comfortable, with excellent support from all angles. Head and leg room are ample and the range of adjustability with the power front seats and telescoping/tilting wheel is wide enough for most drivers. Skip the panoramic sunroof if you want to spare taller passengers some head room, but it's not as vital an issue as in, say, a Range Rover Evoque.
With the seats folded, the Q5 moves from about 29 cubic feet to more than 57 cubic feet of storage space. There's enough cargo room for four roll-on suitcases and a clear view out the rear hatch glass. Small storage abounds, down to the 1-liter cup holders molded in all the doors, the console, and the fold-down armrest in the backseat.
Cabin materials are about the best they come in this class, with a rich, unified feel throughout and nice detailing. Furthermore, the Q5 has excellent build quality and a tight, refined feel overall--although road noise can be an issue and on four-cylinder models, you'll hear the engine hit a coarse note or two when accelerating.