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Infiniti M: the new Japanese 5-series

Infiniti M By Tim Smith First Official Pictures 05 August 2009 17:18 Ahead of its official unveiling on the 16 August 2009 at the Pebble Beach Concours d’Elegence, Infiniti today issued this teaser shot of the new M saloon. The new exec will fit above the G37 in the current Infiniti line-up. Technical details are hard to come by at this stage but expect the M to be rear-wheel drive and feature V6 and V8 petrol powerplants.

MTM de-quattros and supercharges the Audi R8

Audi tuning specialist MTM has revealed its latest go-fast package for the R8 supercar. Having already supercharged the car's 4.2-liter V8, MTM has now converted the AWD sports car to RWD for the new R8 GT3-2 package (the 2 stands for the number of powered wheels). With 560 hp and 428 lb-ft of torque on tap from the supercharged V8, the R8 GT3-2 is capable of hitting 62 mph in 3.9 seconds and has a top speed of 197 mph.

NHTSA upgrades probe into Jeep fuel tanks

The National Highway Traffic Safety Administration has upgraded its investigation into the fuel tank on three Jeep models to an engineering analysis, another step toward what could become a recall. Safety advocates say the location of the fuel tank, mounted behind the rear axle, makes it prone to catching fire in the event of a rear crash. The investigation covers Jeep Grand Cherokees built between 1993 and 2004, Jeep Cherokees built between 1993 and 2001, and Jeep Liberty SUVs built between 2002 and 2007.