LA Auto Show 2007: Audi’s 5.2L V10 FSI engine on display
While browsing the 2007 Los Angeles Auto Show we discovered Audi’s 5.2L V10 FSI engine in all its 450 hp glory. It was perched on a stand in the Audi booth mated to a six-speed Tiptronic automatic transmission, and was strategically displayed amongst the S6 and S8 sedans, which it powers. We remembered reading about this engine in the January 2007 issue of SAE’s Automotive Engineering International, so we dug it out to give you a rundown of its specifications. The first thing that must be pointed out is that contrary to popular belief, this engine is entirely different from the V10 used by the Lamborghini Gallardo. The Lambo engine was designed for high RPMs, while the S6/S8 V10 was put together for high torque and fuel economy.
The 5.2L V10 is built for two different outputs between the S6 and the S8 applications. The S6 receives a version that puts down 435 hp at 7000 rpm and churns out 398 ft-lbs of torque, while the S8’s creates 450 hp at 6800 rpm and also produces 398 ft-lbs of torque. The varying power numbers are achieved through both its exhaust design and tuning, and the differences in output equate to relatively similar power-to-weight ratios for both cars. Follow the jump for a detailed look at the display engine along with Audi’s own renderings.
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