The 2008 Ford Mustang GT has 300HP
( 500 horsepower ) for the 2008 Mustang Shelby GT 500
about 430 horsepower to the wheels
The 2005 Ford Mustang with a 4.0 V6 came stock with 210 horsepower.
225 horsepower
215 Horsepower Stock
210HP Stock.
300 horsepower
The 1997 Ford Mustang GT was rated at 215 horsepower
The 2008 Ford Mustang GT has 300HP
215 stock
320 / 325 brake horsepower
Clarification, "How much is the rear wheel horsepower of a 2007 STOCK Mustang GT with NO modifications?"