The 2006 Volvo S40 is an ultra safe, ultra engineered four door luxury Sedan offering plenty of comfort and convenience features on the inside and elegantly simplistic styling on the outside. The S40 is available in 2.4i, T5 (or 2.5-liter turbocharged) and T5 AWD models. Engines range from a responsive 168 horsepower 2.4-liter inline 5-cylinder to a 218 horsepower 2.5-liter turbocharged inline 5-cylinder. The S40 comes equipped with heated lumbar seats, full power accessories, keyless entry, front/side-body/side-head airbags, ABS brakes and traction control.