The last Quattroporte we tested—a 4.2-liter model with the six-speed automatic—took 5.3 seconds to hit 60 mph, so we’d wager the GT S should drop below five seconds in the 0-to-60 sprint.

The Maserati Quattroporte set the bar for performance 4-doors back in 2004 and has been updated with a new Sport GTS line just in time to celebrate the 70th anniversary of Maserati's first ...

For 2009, the 4.2-liter V8 base Quattroporte and sportier 4.7-liter V8 S version are joined by what Maserati calls a "hyper sport" model—the $135,500 Quattroporte Sport GT S. —Patrick C ...

Modena - December 22nd, 2008 - The new Maserati Quattroporte Sport GT S sets yet another milestone in terms of sportiness in the high performance luxury saloon segment of the automotive market.

Maserati is unveiling a higher-performance version of the Quattroporte at the Detroit auto show--the Sport GT S. Under the hood of the Sport GT S, the 4.7-liter V8 is bolstered to 433 hp--up from ...

The GT S celebrates the 70th anniversary of Maserati’s first Indianapolis 500 win. Driven On the outside, the Quattroporte Sport GT S features subtle but effective modifications.

2006 Maserati Quattroporte Sport GT: Italian Sportsman: Maserati offers up a Sport GT option for its Quattroporte. By ROGER HART Published: Apr 9, 2006. Save Article.

The 2009 Maserati Quattroporte Sport GT S, the sportiest, fastest, highest-quality, and all-around best-ever Quattroporte. Find out more about the 2009 Maserati Quattroporte Sport GT S in this ...