Clarification, "How much is the rear wheel horsepower of a 2007 STOCK Mustang GT with NO modifications?"
I believe it's right around 265, but I could be off a bit.
Stock is probably around 260 or so.
You Haven`t Giver Enough Information. Engine Size ect. You Can Find The Advertised HP From The Dealer But Rest Assured It Will Be Less Than Any Tell You, On Any Car. To Get It Correct It Will Need To...
The 2007 Ford Shelby GT500 has 500HP
4.6L SOHC V-8; 260 hp @ 5250 RPM 302 lb-ft @ 4000 RPM