The all-steel bodied Citroën Type B10 unveiled in late 1924 effectively rewrote the rule-book for auto-making in Europe, even if the extent to which it had changed the economics of the business was not immediately apparent to most competitors.
For contemporary observers there could be no doubt about the significance of the Citroën Type B2, Europe's second mass-produced car, with 89,841 cars manufactured during a five-year period.