A new 2WD S-Runner model is equipped with a 190-bhp/3.4L V-6 & 5-speed manual. The 2WD PreRunner is powered by a 2.7L I-4mated to a 4-speed automatic. Other models include the 4-door Double Cab and Stepside, both available with a 150-bhp/2.7L I-4 or the 3.4L V-6, in 2WD or 4WD versions. TRD offers a supercharger for an additional 70-bhp.