But as we said earlier, technology sharing goes both ways. So, while Audi got the VR6 engine, Volkswagen made use of Audi's 4.2-liter V8. In Audis, it's found in the 2004-2009 S4, the 2008-2012 S5 Coupe, the 2002-2012 A8, the 2010-2014 Q7, the 2005-2010 A6, the 2006-2014 R8, as well as the 2007-2008 and 2013-2014 RS 4.11 Apr 2021