250 to 270 rwhp depending on miles on the engine and engine wear.
Clarification, "How much is the rear wheel horsepower of a 2007 STOCK Mustang GT with NO modifications?"
Stock is probably around 260 or so.
Its approximately 33-35 rear wheel horsepower
a stock 2000 cavalier z24 2.4L puts out 155 horsepower at the wheel
190 at the fly wheel.
The Horsepower of the 1996 Impala SS is 260 rear wheel horsepower. its not "Rear Wheel Horsepower", because 260 Rear Wheel Horsepower would be pushing like 305 at the crank. but the Horsepower for the 96 SS is 260...
16 inches
17 or 18 horsepower at the ear wheel
Stock about 130hp @ rear wheel
275 to the flywheel
Stock a 2.2L s10 has anywhere from 112 to 120 horsepower, which comes up to about 90-100 rear wheel horsepower.
I believe it's right around 265, but I could be off a bit.