The current Infiniti Q30 is 4,425 mm long, 1,805 mm wide and 1,491 mm tall, on a 2,700 mm wheelbase.
Only one generation of this model is in our catalogue, so there is no size history to compare yet.
Exterior figures are manufacturer specifications for the Q30, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.