Report: Porsche 911-Fighting Maserati GranSport To Get Twin-Turbo V-6

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More details about Maserati's proposed Porsche 911-fighting sports car are trickling out, including news of an all-new powertrain. Auto Express reports that instead of the V-8 previously rumored, the new Maserati will instead use a twin-turbocharged V-6.

The new car is expected to be called the Maserati GranSport, and AE suggests it could go on sale by 2015. Despite earlier suggestions it would use an existing Maserati 4.7-liter V-8 engine, the GranSportis now said to be designed for a twin-turbo V-6 engine. That mill could produce over 450 hp, allowing a 0-to-60-mph time of under four seconds and a top speed of 190 mph. A seven-speed dual-clutch transmission, derived from that of the Ferrari 458 Italia, will transmit power from the mid-mounted engine to the rear wheels.

The twin-turbo V-6 engine is also reported to find its way under the hood of the upcoming Maserati Kubang SUV, as well as a future BMW 5 Series-sized sedan that will slot below the next Quattroporte.

Although we knew the styling would be similar between the models, AE reveals that the Maserati GranSport will use the same carbon-fiber chassis as the Alfa Romeo 4C concept (pictured), albeit with the wheelbase and track stretched to accommodate the V-6 engine. Even though the GranSport will be a fair bit larger than its Alfa parent, Maserati is apparently targeting a sprightly curb weight of 2640 pounds.

If the car does produce north of 450 hp and weigh only 2640 pounds, it will have a power-to-weight ratio approaching that of the Ferrari Enzo-based Maserati MC12. That car had 623 hp and a curb weight of about 3150 pounds, for a total of 5.05 pounds per hp. The Maserati GranSport is reported to have a ratio of 5.87 pounds per hp. Maserati claimed the limited-run MC12 could hit 60 mph in 3.8 seconds and manage a top speed of 205 mph.

Maserati is expected to position the two-seat GranSport as a competitor to the Porsche 911 and Audi R8. It could be priced from the equivalent of about $140,000. The new sporting model is important as Maserati strives to increase its volume to 50,000 sales globally by 2015 -- a push that will be spurred by the Kubang SUV and continued by the new sedans, and this GranSport sports car.

Source: Auto Express

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