New details have emerged about the upcoming baby Quattroporte from Maserati.

Set to be unveiled in April at the 2013 Shanghai Motor Show, the Maserati Ghibli will go on sale before the end of the year. It has been developed alongside the larger Quattroporte and is expected to be around 4900 mm long, making it about 300 mm shorter than its bigger brother.

The cars will share the same sub frames and electrically-adjustable suspension, but apparently the Ghibli will be tuned in order to be a "much more aggressive car than the Quattroporte." Upon launch it will be sold with a V6 3.0-liter direct-injection, twin-turbo engine designed by Ferrari, the same one found on the Quattroporte. For the smaller model, Maserati will probably detune the engine to output 385 hp (287 kW).

There will also be another engine taken from the bigger model, the V8 3.8-liter twin-turbo which should produce an estimated 480 hp (358 kW). The 2013 Maserati Ghibli will be offered with a diesel engine as well but there aren't many details about it right now. Reports are indicating it could be an uprated version of the V6 3.0-liter turbodiesel available in the Jeep Grand Cherokee and Chrysler 300.

Regardless of the engine hiding under the hood, the baby Quattroporte will have an 8-speed automatic transmission from ZF with paddle shifters. At an additional cost, the car can be configured with an all-wheel drive system but not in RHD markets.

Gallery: 2013 Maserati Ghibli details emerge, to debut in April

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