Originally Posted by Ducky TSX
No backseat is a deal-breaker for a big percentage of your buying market. I get it when it's not possible (like a Cayman) but the 370 seems to have the room. Child car seats work fine in 997/991's. Even if you're big, you can put one behind the empty passenger and now you can take your fun car when you need to take 1 kid to soccer/dance/whatever.
Other than a trivial weight/cost penalty, there's no real con to putting a backseat in, but tons of potential benefit. 6'4", or have no kids - no skin off your back if it's there. Fold down, or take em out.