If you are considering buying an Audi A, Seat Leon or Vauxhall Astra, remember to factor in the cost of maintenance, as it is an unavoidable expense you will incur during the course of your ownership. Over , lines of data have beenysed to produce the results in this article. Ford vs Vauxhall vs Volkswagen The true cost of maintenance.A detailed comparison of Audi A versus SEAT Leon. On Car A Rac you will find out which car is better and what the car will suit you best..Compare Audi A Sportback and SEAT Leon and find your new car in an easy way . Compare Audi A Sportback and SEAT Leon and find your new car in an easy way . Car search Go back Advanced search Filter models by fuel type, gear shift, traction and more .I don’t get much feedback of problems that occur within warranty, but more of those that occur out of warranty. The Leon is the same car as the A, but about per cent cheaper to buy. Same quality, and Audi even has SEAT build its Q in the same factory as the Leon..