The Wheelsandmore Tuned Maserati GranTurismo has a power conversion kick that results in a strong 447 hp and 500 lb-ft of torque. On the outside, the sophisticated sports coupe receives a whole new range of slim 20-inch forged alloy design and ease of 6Sporz with Dunlop Sport Maxx GT tires in size 265/30/20 front and 325/30/20 on the rear axle .