2006 Dodge Ram SRT 10. V-10 engine with upgraded brakes, transmission, and suspension. Volant air box, exhaust upgrade, computer upgrade, lowering kit, bed rug. 621 HP 643 lb.-ft.

The SRT-10 featured an 8.3 Liter Viper V10. This engine produced 510 bhp (380 kW; 517 PS) at 5,600 rpm and 525 lb·ft (712 N·m) of torque at 4,200 rpm. The regular cab, with a total curb weight of 5,130 lb (2,330 kg), reached a top speed of 153 mph (246 km/h), and could accelerate from 0 to 60 mph (97 km/h) in 4.9 seconds, whereas the Quad Cab, weighing 5,618 lb (2,548 kg), did 0-60 in 5.2 seconds and reached a top speed of 147 mph (237 km/h). The regular cab could complete the 1⁄4 mi (400 m) in 13.6 seconds at 110 mph (180 km/h), the Quad Cab in 13.7 seconds at 104 mph (167 km/h). The engine produced one horsepower for every 10.3 lbs of vehicle weight in the regular cab. The regular cab generated .86 g of grip on a 300 ft (91 m) skidpad, while the Quad Cab generated .83 g.[5] The regular cab was rated by the EPA at 9 MPG city/15 highway, while the Quad Cab was rated at 9 city/12 MPG highway.