The Saleen Mustang S281 introduced in 2003 was fitted with a 281-cubic-inch, eight-cylinder engine. This particular engine was designed with a single overhead camshaft and a 3.6- by 3.6-inch bore and stroke.
With the engine running at 5,100 rpm, this vehicle offers a total of 290 horsepower. At 4,100 rpm, the 2003 S281 Saleen Mustang offers 330 lb.-feet of torque.
Both hardtop coupe and convertible models of the S281 Saleen Mustang were manufactured in 2003. The coupe was designed to a weight of 3,428 pounds, while the convertible weighs 3,620 pounds. These vehicles feature a 101.3-inch wheelbase, a five-speed manual transmission and a 15.7-gallon fuel tank. The exhaust system on this vehicle features 2.5-inch stainless steel tubing.