To be OFFERED AT AUCTION at RM’s London event, October 31, 2012. To view this car and others currently consigned to this auction, please visit the RM website at rmauctions.com/London . Chassis No. WPOZZZ99ZTS392099 Estimate: £225,000 - £275,000 Series 993. 430 hp, 3.6-litre twin-turbocharged air-cooled horizontally-opposed six-cylinder engine, six-speed manual transmission, independent front McPherson Strut suspension, multi-link rear suspension, and four-wheel cross-drilled and ventilated hydraulic disc brakes. Wheelbase: 105 in..