The current Alfa Romeo 159 is 4,660 mm long, 1,828 mm wide and 1,422 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 159, 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.