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Infiniti M takes on Porsche Panamera... FORGOT ABOUT BMW!
Originally Posted by AutoWeek
The 2012 M hybrid gets power from a 3.5-liter V6 engine that makes 258 lb-ft of torque in addition to the 360 hp combines. We tested the hybrid last February. The electric motor adds 199 lb-ft of torque from just 1,770 rpm, giving the M a good bite off the line.
Fuel economy in the Infiniti is rated at an impressive 32 mpg on the highway, while the Panamera comes in at 30 mpg. The M hybrid weighs in at 4,129 pounds for a power-to-weight ratio of 11.46 pounds/horsepower. The Panamera, to compare, weighs in at 4,365 pounds, giving it a very similar ratio of 11.48 pounds/horsepower. The sprint to 60 takes 5.7 seconds in the Porsche and "under six seconds" in the Infiniti.
The BMW ActiveHybrid 750i comes in at a hefty 4,795 lbs., but it boasts 455 HP and 515 lb-ft. of torque. This gives it a 10.54 pound-per-horsepower ratio, beating both the Panamera AND the Infiniti. I'm trying to contact BMW to step up to the plate and put both of these competitors to shame.