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FCA inline-six rumored to be real, headed for Jeep Wagoneer

In September, Allpar reported that that clues being dropped at Fiat- Chrysler headquarters, in the carmaker's factories, and on engineer resumes pointed to the development of an inline six-cylinder engine. The site has just proclaimed the rumor is reality, writing that the straight-six, "turbocharged to meet or beat 5.7 Hemi power ratings, with a smoother torque curve, is on the way." The motor's first outing is expected to be either the next-generation Jeep Grand Cherokee, debuting perhaps next year, or the Jeep Wagoneer, debuting in 2020 or 2021. "Tornado" is the purported codename for the power plant said to be just under three liters in displacement, expanding the family begun with the Global Medium Engine 2.0-liter turbo codenamed Hurricane. Engine bay constraints and a long use horizon mean engineers won't simply add two more cylinders to the GME, however. Allpar says the brief is to keep the Tornado GME-T6 — the alphanumeric for "turbocharged six" — no more than three inches longer than the Tigershark 2.4-liter four-cylinder. That means "major design changes" that could include a space-saving head, more closely spaced cylinders, and no cylinder liners. An FCA division called Comau could be called on for its "SmartSpray" plasma lining technology. Allpar muses that the standard version of the engine for Chrysler, Dodge, Jeep, and Ram could get a single twin-scroll turbocharger. Performance trims for Alfa Romeo and Maserati could get different heads and maybe twin turbos, an SRT version might also get both those tweaks. History shows that the Italian versions would make changes to the block, as well. Even so, the Tornado would be less expensive than any Ferrari-supplied V6. A straight-six would put FCA in company with current adopters BMW and Mercedes-Benz, future users like Jaguar, and perhaps Aston Martin. The engine would span the widest range of use cases in the U.S. carmaker's portfolio, though. Potential applications include being a base engine for Ram trucks, serving double duty as a base engine and 5.7-liter Hemi replacement for the Dodge Charger and Challenger, working in the high-end Jeeps, and as a properly hot trim — with Ferrari-designed heads — in the luxury Italian sports cars. The Alfa Romeo Giulia begs for just such motivation to fill the gap between the 280-hp, $42,695 Ti Sport RWD and the 505-hp, $73,700 Giulia Quadrifoglio RWD. And a twin-turbo inline-six in a Maserati Alfieri would stack up nicely with the Germans.

Why Maserati won't share the Nettuno V6 with its siblings

Maserati spent a great deal of time and resources developing a twin-turbocharged, 3.0-liter V6 called Nettuno. It made its debut in 2020 in the MC20, and it will be available in the Grecale Trofeo in 2022, but Autoblog learned that the six won't travel outside of the trident family. "We want to keep the Nettuno engine as a signature for the brand. It was developed with the aim of being uniquely associated with the Maserati brand, so it was designed and engineered specifically for Maserati. It's technically feasible to apply it to other cars [in the Stellantis group], but we want to keep it proprietary. We have it in the MC20 and now in the Grecale; there will be other uses for it in the future, but always in Maserati cars," Federico De Medio, Maserati's head of vehicle validation, told Autoblog on the sidelines of the Grecale launch. While he stopped short of providing details about the other uses, De Medio hinted that Nettuno will gradually replace the Ferrari-derived V8 that Maserati has used for many years. He explained that the project's goal was to design a six-cylinder engine with V8-like power. Does that mean that a V8 with V10-like power is on its way? Nope, it sounds like the eight-cylinder's days are numbered in the Maserati line-up. Asked how long the V8 had left to live, De Medio replied that "it depends on the life of the product itself, so the response will be provided by the market and by regulations." And, how about a new V8 designed in-house? "Never say never, but for now we just launched Nettuno so let's enjoy the V6," he answered. What's certain is that the Levante and the Quattroporte won't need a V8 for much longer: they're going electric in the coming years. We know the Ghibli is on its way out, so that leaves the next-generation Gran Turismo as the only candidate for a V8. Nothing is official, but our crystal ball tells us it's more realistic to expect that the coupe will make its debut with a V6 than with a V8. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Maserati MC20 bringing twin-turbo V6 to September debut

There is a touch more information on the pieces going into the Maserati MC20, starting with intel to Car and Driver that the mid-engined coupe will launch with a "new twin-turbo V6 rumored to make more than 600 horsepower." Last time we heard about the flagship coupe created to return Maserati to the race track — and serve as a halo to burnish the entire lineup and drive more impressive global sales — the rumblings predicted a hybrid V6 making 600 hp or thereabouts. Mystery shrouds the engine's displacement, but the stillborn Alfa Romeo 8C and GTV were predicted to get a 3.0-liter twin-turbo V6. When Car magazine asked a Fiat Chrysler engineer if the MC20's engine would take that motor and enlarge it to 3.6 liters, the response was, "Displacement costs only pennies, but pays back big bucks in power and torque."  C/D writes that a hybrid version of the twin-turbo V6 comes later. Car predicts the electronics crank output to roughly 700 horsepower, which can't be a random number since Alfa Romeo touted the now-dead 8C as having "700+ combined horsepower." The naturally aspirated mill and its sequential turbochargers send power exclusively to the rear wheels through a Getrag eight-speed dual-clutch transmission. The hybrid models, perhaps earning the Trofeo name signifying top-tier grunt, go all-wheel drive with "e-modules" on the front axle. Previous scuttlebutt pegged the most intense trim as having three electric motors, which sounds like the setup found in other super coupes like the Acura NSX, placing one e-motor between the engine and transmission, the others on the front axle. The lineup eventually welcomes a battery-electric model, too, as well as a convertible. Rumor has a massaged version of the carbon tub from the Alfa Romeo 4C sitting between the front axle and engine, although longer and wider and sitting on a longer wheelbase.   With the novel coronavirus still upending everything, the MC20 debut has been moved from May to September. C/D figures a starting price of around $160,000 when the model goes on sale in the U.S. next year, after launching in Europe toward the end of 2020. That theoretical price might sound substantial, but it only adds $9,000 to the MSRP of the current GranTurismo Convertible. Car's figure comes in a little higher, at "less than GBP200,000," around $250,000 U.S. Related Video: