2009 PORSCHE PANAMERA

What it is: Porsche's long-awaited front engine luxury sport sedan will add fifth model to the lineup.
Why it's important:Once exclusively a sport-car outfit,Porsche is fats becoming s highly rpofitable full-line luxury band.As such,the Panamera four-door is a crucial link in continuing the company's hot streak.
Platform:Ostensibly an all-new platform wholly developed by Porsche,the new front-engine,rear drive arhitecture may underpin future sedans in the Volkswagen/Audi family.
Powertrain:We're expecting tha Panamera to share its engines with Cayenne sport-utility.Tham means a 4.8 liter direct-injection V-8 with at least 385 horsepower an a twin-turbocharged version of the same engine with 500 horsepower.A six speed automatic might be the only transmission offered;a manual is belived to be unlikely.Europeans might get a base V-6 version making 290 horsepower.
Noteworthy technology: A gas-electric hybrid could debut in 2010 or 2011.
Competition: Aston martin rapide,Audi A8,BMW 7-series,Mercedes-Benz S-class,Jaguar XJ,Lexus LS460
What might go wrong: The Panamera is smaller than its competitors,which might turn off some buyers,And as Porsche continues to widen its reach into other car segments,the brand could lose the focus that was once devoted to sport cars.
Estimated arrival and costs:Should be unveiled at the 2008 Detroit show and then go on sale that year as 2009 model,with a price range of $70,000 to $100,000.

2008 JAGUAR XF

What it is:The XF replaces the poor-selling Jaguar S-type,which went on sale in the U.S in 1999.
Why it's important:Jaguar is up to its neck in hot water,especially in the U.S,where its grand sales plan failed to materialize-at current rates,the company could conceivably sell fewer than 20,000 vehicles in 2007,down from 54,655 in 2003.
Platform:The current S-type sits on the DEW98 arhitecture that was shared with the dearly departed Lincoln LS.The XF will use a further updated version of this platform,whish was heavily reworked for the 2003 model year.
Powertrain:The S-type currently comes with a 235-hp,3,0-liter V-6, a naturally aspired 300-hp V-8,or a supercharged 400-hp,4.2-liter V-8-all mated to six-speed automatics.The XF will be fitted with midly updated versions of the existing V-8,a3,5-liter V-6,and a supercharged 5,0-liter direct-injection V-8 in the range-topping supercharged R model.Expect it to make about 500 horsepower.
Noteworthy technology:The 5.0 liter V-8 is new but based loosely on the AJ-V8 engine tht also used on Land Rovers.
Competition:Audi A6 and A7,BMW 5-series,Infiniti M35/45,Lexus GS,Mercedes E-class and CLS-class.
What might go wrong:THe XF's dramatically edgy styling might alienate traditional jaguar owners.But as sales demonstrate,those buyers are dwindling lot anyway.
Estimated arrival and costs:Production is to begon later this year for sale next spring.Expect prices to start in the high $40,000s ad top out in the mid-$70,000s for the R.