Entry #48 at Monza on 15 September 1929 was Alfieri Maserati driving the Maserati V4. This was the first time they competed with the V4, it's debut. It had 16 cylindres, 4 litres and 280 hp. Alfieri was leading most of the race, but eventually became 2nd, less than a second behind the winner August Momberger  <a rel="nofollow" class="external autonumber" href="http://www.kolumbus.fi/leif.snellman/gp2906.htm">[1]</a>
<bdi><a href="https://www.wikidata.org/wiki/Q13230870" class="extiw" title="d:Q13230870"><span title="French news agency">Agence de presse Meurisse</span></a>
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<a rel="nofollow" class="external autonumber" href="http://catalogue.bnf.fr/ark:/12148/cb41590428t">[2]</a>