The current Peugeot 407 is 4,763 mm long, 1,811 mm wide and 1,486 mm tall, on a 2,725 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 407, 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.