The engine will be mated to an 8-speed paddle-shift gearbox based on the one found in the LS460. Lexus has modified the transmission to offer a “M” mode for fast acceleration in first gear, while potentially limiting any damage caused by careless driving. The gearbox will also blip the throttle during downshifts to avoid jolts. The IS F has also had numerous suspension modifications, including new springs, shock absorbers, stabilizers tuned for the performance car. Sitting on 19in tires, the IS F uses large-diameter, wide 225/40R19 tires at the front and 255/35R19 tires at the rear for gripping the road and also gets a performance brake package.
Top speed is estimated by Lexus to be over 185mph, though the IS F will be limited to just 180km/h in its home market. Tellingly, the company forecasts just 500 sales a year in Japan but expects to sell over 5,000 in the U.S.