This is nothing new... A5 more money that A4. Coupe has always been more (at least through the E90 generation). It is a low volume car by comparison, and is attracting a different kind of buyer.
2013 BMW 328i Sport - Back in the family!
2007 Honda Civic Si Sedan (Retired, Meh)
2005 Infiniti G35 Coupe 6MT (Retired, great car)
2002 325xi (Retired, very much missed)