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"   JUKKASJARVI, Sweden \u2014 This very potent limited-edition model comes as either a 9-3 Sport Sedan or SportCombi station wagon\u2014both powered by a 24-valve, 2.8-liter turbocharged V6 generating 280 hp and 295 lb.-ft. of torque paired to a six-speed manual or automatic. But how the heck does Saab get all this power to the ground? Well, for the first time this genuine Saab has all-wheel drive cooked up entirely by Swedes\u2014not Japanese (9-2X) or Americans (9-7x). The team, made up of engineers from Saab and the Swedish all-wheel-drive experts at Haldex, have created some super sophisticated tech inside. The Saab/Haldex XWD active system continuously distributes engine drive torque between the front and rear axles\u2014up to a maximum of 100 percent in either direction, depending on driving conditions. And like the most advanced systems on the planet, XWD is a torque vectoring system and can send torque at the rear axle from left to right. The system uses a pre-emptive engagement of the rear wheels that eliminates the need to detect front wheel slip before rear drive starts. Saab says the system can react to changing traction conditions in 80 milliseconds, which means that it can analyze conditions at the front tires and then change the distribution of engine torque before the rear tires even arrive at the problem.  The development team tested the system across over 1 million km, through all weather conditions, across some of Europe&amp;#039;s toughest roads and best test tracks. The XWD electronic control unit receives inputs 100 times per second from more than 20 sensors. When traction is good, on dry, straight roads, only five to 10 percent of engine torque is transmitted to the rear axle. But when the system activates, it also raises the threshold at which ESC&amp;#039;s throttle and/or braking interventions are triggered. An active electronic rear limited-slip differential (ELSD) is fitted as standard to the Turbo X Limited Edition. The ELSD can transfer up to 50 percent of maximum rear torque between the rear wheels. And there&amp;#039;s a special body kit to go with the upgraded engine and the XWD system in this Saab. A deeper front spoiler and integrated air intake reduces drag and increases airflow to the engine. At the rear, a reshaped bumper and insert panel reduces drag. The Sport Sedan also features a rear spoiler that reduces high-speed lift. Unique 18-in. alloy wheels come standard (19 inchers are optional) and they mimic the classic Saab three-spoke wheel design. The chassis is lowered by 10 mm and the springs and dampers stiffened to minimize body movement. To maintain a constant ride height, self-leveling shocks are fitted at the rear.  The Turbo X interior carries sport bucket seats with additional bolstering and carbon fiber finish on the fascia, door inserts, glove box door and shifter console unique to the Turbo X. The turbo boost gauge is a replica of the original 900 Turbo gauge.  Only 600 Turbo X&amp;#039;s will be coming to America, beginning next month. After that, the XWD and ELSD package will be available in all 9-3s\u2014but without the special paint, trim and chassis components. \u2014Jim McCraw   RELATED STORIES \u2022 FIRST LOOK: Saab&amp;#039;s 50-mpg, E85-Powered BioHybrid Almost Ready  \u2022 TEST DRIVE: 2008 Saab 9-3 Is an All-Wheel Delight   "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/cars/a2702/4254237/>