New spy pics of the Porsche Panamera have hit the web showing the upcoming four-door Porsche sedan with an open rear door. Why we still cant get ourselves to like the Panamera is beyond our understanding but from these pics at least we can appreciate the cars storage capacity.Production of the Porsche Panamera will start in April 2009 at the companys Leipzig plant with an estimated 20,000 units annually. Powertrain choices are said to include a base 3.6L V6 followed by a 405-hp 4.8L V8 and a 520-hp turbocharged variant.Pricing is estimated to start at $127,000 for the V6 model all the way up to?$198,000 for the V8 turbocharged all-wheel-drive model.Click through for more shots.Spy Shots: Porsche Panamera opens its rear door:????Thanks for the tip Luke!Source: GlobalMotors.netTags: Panamera, , Spy Shots