On its 20th anniversary, and with the fourth generation about to be presented, more than two million units of the SEAT compact have been sold since 1999<br /> Placed in a straight line, they would stretch for more than 9,000 kilometres, the same distance covered by the legendary Trans-Siberian train<br /> The growth and internationalisation experienced by the Leon is similar to what SEAT has witnessed in the past two decades<br /> Sales of this model have doubled in Germany, which is now its leading market<br /><br />From Moscow to Vladivostok. A distance of over 9,000 kilometres spanned by the legendary Trans-Siberian train. The same distance that the more than two million units sold to date of the SEAT Leon would stretch if they were placed in a straight line. With the fourth generation about to be launched, we look back at the evolution of one of the company's main pillars.