I would love an S4, avant ideally.  But I know a few people who have fallen in love with the noise, convinced themselves the MPG was livable but ended up selling it (or trying to at least) 3 months later.  Despite doing the numbers the running costs have still been crippling.  
I'm sure its not a problem, just highlighting that they seem to catch a few people out with the running costs.  But your right, the noise is  
