Competing in the fullsize sedan segment, the 2018 Maserati Quattroporte GTS Sedan is a direct competitor to the Mercedes-Benz AMG S 63 Sedan, the Porsche Panamera Turbo Executive Sedan, and the BMW M760i. The 2018 Maserati Quattroporte GTS starts at an MSRP of $136,600, with two trims in the lineup. It is offered with a 3.8L twin-turbocharged V8 engine and an 8-speed automatic transmission, producing 523 horsepower and 524 lb-ft of torque. Through this powertrain, the Quattroporte GTS manages a 0-60 of 4.7 seconds and a combined fuel economy of 17 MPG.