The lumbar support is slightly lacking for me, but I have dancer-like posture so it could just be my preference.
The seats are very plush and well-designed otherwise... go sit in one.
see full Subaru Impreza / WRX review
What Our Members Are Saying about the Seat Room and Comfort of the 2010 Scion tC
A fastback car with actual usable back seats! Coupes tend to have cramped back setas, but in this case it is very comfortable sitting in the back for extended periods of time.
see full Scion tC review