The base V6 now comes with a five-speed automatic, while the optional V8 has been upgraded to deliver 270-hp and 330 pound-feet of torque. A rollover sensor now comes with the optional head curtain airbag system. A limited-slip differential has been added to the stability control system. SR5 models now feature a chrome grille, color-keyed bumpers and black running boards, while the Sport model get a color-keyed grille. All Limiteds receive color-keyed bumpers, illuminated black running boards and a black roof rack.. Learn more about the 2005 Toyota 4Runner Sport SR5 V8.