ah no...
Aero, suspension compliance, driver skill, balance etc play a much bigger part than 15hp. 50hp-60hp would seperate first from last. And as far as KERS systems go, whats to say that Honda arent infront of ferrari, how would you or i know? How that transates to ontrack performance is still very much unknown
So again, its all about value for money, and currently Force India must not feel like they're currently getting that