The problem with your logic is that 260Awhp incorporates friction and inertial losses at 4 wheels. 260Fwhp only incorporates friction and inertial losses at 2 wheels. The car with 260Fwhp still has to overcome friction and inertial losses at the rear wheels. All other things being equal, 260Awhp>260Fwhp.Originally posted by crazycam31
If my intuitions are correct.... 260whp=260Awhp=260Fwhp ect. Since the measurement is at the wheels, all the losses trough the transmission and drivetrain have already occured, so barring traction problems 260whp=260whp regardless.
Of course, it is rare that all other things are equal. For example, an SRT-4 is lighter than a WRX so that could be a very significant offsetting factor.