This high performance version of the already shatteringly fast standard Impreza WRX STI has an extra 39 bhp to take its peak power to 320 bhp at 6400 rpm, a 14 percent increase. Torque has risen to 319 lb-ft at 4,400 rpm, a 10.5 percent increase over the 289 lb-ft of the standard Japanese 2.0-liter Impreza WRX STI (U.S.-spec Impreza WRX STI features a 2.5-liter engine).Available with a six speed gearbox and adjustable centre differential for the All Wheel Drive transmission, the S204 is available in silver, black and blue and will sell for 74,990 New Zealand dollars (about 47,000 US dollar
