The current Infiniti Q50 is 4,796 mm long, 1,820 mm wide and 1,441 mm tall, on a 2,850 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 Q50, 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.