Is FCA Working On A Straight-Six Engine To Replace The Pentastar V6?

Fiat Chrysler Automobiles could be working on a brand new straight-six engine to eventually replace the Pentastar V6, a new report suggests.

Citing an unnamed source, Allpar claims that the automaker will base a bespoke straight-six around its new GME four-cylinder engine. The resulting powertrain should be smoother and more compact than the Pentastar V6 while also being easier to produce alongside the existing four-pots.

Although details about the straight-six are minimal, its displacement could be pegged at 2.99-liters to avoid taxes applied to engines exceeding 3.0-liters in some European countries.

Logic would dictate that the straight-six would be used through the Fiat Chrysler Automobiles family. It is even suggested that Ferrari will use the same core architecture to develop its own new engine for its cars as well as various Maserati products.

This engine would be built in a number of guises, including for performance-focused models affixed with the SRT badge. Production may be handled by one of FCA’s engine plants in Dundee, Michigan as well as a facility in Trenton, Michigan.

FCA is thought to have been developing this engine for quite some time and it would be the perfect answer to the straight-sixes currently sold by the likes of BMW and Mercedes-Benz and the one developed by Jaguar.

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  • Matteo Tommasi

    The pentastar will be replaced by the new alfa v6 (giulia/stelvio)

    • designer_dick

      The V6 used by Alfa in the Giulia and Stelvio Quadrifoglios is an exotic, low-volume engine derived from Ferrari’s twin-turbocharged F154 V8. It would be far too expensive to use in cheaper vehicles.

      • LeStori

        Yes. Engine would probably cost more than the Chrysler, Dodge etc bodies into which was placed.

      • Matteo Tommasi

        It’s a 2.9, not so small. It also features the cylinder deactivation (inline 3 mode). Detuned versions will go on the next ghibli, levante and alfa suv, taking place of the current Pentastar derived 3.0 v6

        • YJ Chua

          You got any credible source to back that claim up?

        • designer_dick

          I didn’t say it was small, I said it was an exotic, low-volume, engine – meaning that it’s built in fairly limited numbers. Re-engineering it for use in mass-market applications would be prohibitively expensive and somewhat pointless.

  • kachuks

    Straight-six’s are sexy.

    • 101st ABN

      Straight sixes are so hot right now!

      • Jhon electron

        Yeah! Now and before. Just look to the Maseratis of the 60’s, the Astons DB4, DB5, DB6, DBR and the allmighty Mercedes SLR Gullwing!

  • Emoto

    “The resulting powertrain should be … more compact than the Pentastar V6 ”

    How on earth could an inline 6 be more compact than a V6?

    • Rocket

      I’d love to hear the explanation of that as well. Narrower, yes. but I don’t see how it can be shorter unless it’s dramatically undersquare and they eliminate the accessory drive.

      • Emoto

        Yeah, I suspect shoddy reporting because the cited source (Allpar) did not mention compactness, that I could find.

  • john1168

    I would LOVE to see an all new Grand Cherokee, made lighter and with a twin turbo inline 6 making between 400 and 450 hp.

  • Shane

    Mmmm a baby Viper with a turbo inline 6.

    • john1168

      and a DCT. hhmmm….. I think you’re on to something here.

  • Jhon electron

    The new Slant Six is coming!!!

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