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Maserati details the new, 630-hp V6 that will power its mid-engined MC20 coupe

Maserati is done leaning on former sister company Ferrari for technical support. It has unveiled the six-cylinder engine it designed and will build in-house to power the MC20 supercar that's scheduled to make its debut later in 2020. Ferrari's willingness to develop and/or build engines for Maserati shrank significantly when it split from former parent company Fiat-Chrysler Automobiles (FCA) in early 2016 and became independent. Insiders knew the division would be spun off, so they began designing Maserati's new engine (which is called Nettuno) in 2015 and accelerated the process in 2017. It's a 90-degree, 3.0-liter V6 with a dry sump and a twin-spark, pre-chamber ignition system rooted in racing. In this application, it's twin-turbocharged (the turbos are mounted on the outside of the engine rather than in the middle of it) and it's equipped with both direct and indirect fuel injection.  All told, the 485-pound Nettuno engine develops 630 horsepower at 7,500 rpm and 538 pound-feet of torque between 3,000 and 5,500 rpm. It continues revving to a redline of 8,000 rpm.  Matteo Valentini, Maserati's chief engineer, explained the Nettuno engine will ultimately power the company's entire range of vehicles, though he stopped short of naming the specific models that will use it after the MC20. He added the six-cylinder will "bring Maserati back into the world of racing," meaning its output will likely grow in the not-too-distant future. We'll learn more about the engine when the MC20 makes its debut September 9. What remains to be seen is whether Maserati will replace the V8 available in the Levante and the Quattroporte, or if it will surf the downsizing wave sweeping across the industry. Developed jointly with Ferrari in the early 2010s, that engine makes 590 horsepower when it's bolted in the Levante Trofeo's bay, meaning its output is eclipsed by the Nettuno V6's. Both engines are built around a 90-degree architecture, so the 3.0-liter V6 could turn into a 4.0-liter V8 if it's modular enough to gain a pair of cylinders — and if Maserati sees a market for another eight-cylinder. Featured Gallery Maserati Nettuno 3.0-liter V6 engine Maserati Coupe Performance

Maserati ramping up production of Ghibli, Quattroporte

While Porsche may be relatively new to the four-door game, Maserati has been building the Quattroporte with few interruptions since 1963. But like its rival from Stuttgart, the Trident marque is rapidly shifting from a sports car company primarily to a manufacturer of high-end family transportation. Not only does it have the new Quattroporte on the market, but now it's got the Ghibli sedan as well and the Levante crossover on its way.
It's a gambit that's reaping huge benefits not only for Maserati itself but also for its newly merged parent company Fiat Chrysler Automobiles, which is finding the mass market less lucrative than it once was and is positioning both Maserati and Alfa Romeo against other luxury marques like BMW, Audi and Porsche. As a result, Maserati is considerably expanding its production.
Last month, Maserati sold over 3,000 cars, putting it on track to double its sales from 2013. But it's not about to stop there. With growing demand for its authentically Italian luxury sedans, Maserati is shifting more workers to its assembly plant in the Turinese suburn of Grugliasco (where the QP and Ghibli are made) and shortening vacation time to ramp production up from 750 cars per week to 900.

Maserati's sub-Quattroporte sedan spotted testing

The spy photogs at CarPix have caught the upcoming small sedan from Maserati to slot under the Quattroporte, rumored to be dubbed Levante, out testing. The spy shots frankly don't tell us much more than that, since the mule is wrapped in an ill-fitting Quattroporte body giving away little more than a shorter wheelbase and smaller brakes.
The Levante, if that's what it's called, will be Maserati's entry into the luxury mid-sized sedan segment to compete with the Mercedes-Benz E-Class, Audi A6 and BMW 5 Series. Said to arrive late next year, it will have its luxury ducks in a row, supposedly offering a twin-turbo V6, a V8 and a 300-horsepower diesel with 500 pound-feet of torque.
Questions about engines and their provenance remain; the next Quattroporte is getting a Ferrari-sourced supercharged V6 and turbocharged V8, but it is wondered if the Levante's V6 might come from the other side of the Fiat stable, namely Chrysler. No matter where the motors come from, though, they'll be run through an eight-speed ZF automatic transmission.