Fiat Punto * Now updated with the Top 50 best selling models over Q1 2011. See 'Read more' below * Italian car sales are down a worrying 28% year-on-year in March at 187,774 units. First Quarter figures are down 23% at 513,794 registrations. Both the Fiat Punto at 7.5% (14.035 sales) and the Fiat