Quote:
Originally Posted by Tcoat
Ohhhh where to start. Be prepared is all I can say.
Random samples without shopping around:
2013-2014 Scion FRS Brake Rotor - Rear - Centric 120.47031
Centric 120.47031
Brake Rotor
Sale Price: $34.63
Position: Rear
Availability: (13) In Stock
Condition: New
Shipping Options: Ground
Part Number: 120.47031
Brand: Centric
Notes: Premium Disc-Preferred -- Std & Hi Brake Pkg
Brake rotor - front, right - OE Porsche Our Price: $185.88

Fits 911 98-on (996/997); Boxster S (986/987); Cayman S
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Not trying to stir things up, but your post is a bit deceiving. You compared a generic "Centric REAR" rotor to an OEM FRONT rotor. If you really want to compare the two, you should use the same rotors and same location.
Centric rears for a 2010 Cayman S, are $39.99 (per AutoAnything.com). I switched over to a Cayman S, and haven't found maintenance items to be too much more expensive.
I was supercharged (in my FR-S), and the more frequent oil changes, more costly rotors and pads, etc... were more expensive than maintenance on my Cayman.
I guess my point is, is that the added costs due to supercharging, really isn't too much different than owning a Cayman.