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New Porsche GT3, GT4 Cars Spied

Porsche’s new GT3, GT4 cars spotted testing at Monza ahead of 2019 launches…

Photo: Monza Motorsport

The first photos of Porsche’s new GT3 and GT4 machinery have been revealed, following a multi-day test for the German manufacturer at Monza.

Both the soon-to-be-launched 2019-spec Porsche 911 GT3 R and new Cayman GT4 Clubsport MR appear to have been testing at the Italian circuit, alongside Porsche’s current-generation 911 RSR GTE car and another unidentified car, which could be the 911 GT2 RS. 

The images, courtesy of, shows noticeable aero changes to the GT3 model, including a re-profiled nose, increased cooling ducts on the side and a larger rear diffuser. 

Porsche’s second-generation GT4 car, meanwhile, is understood to feature a 4.0-liter flat-six engine compared to its current 3.8-liter powerplant.

Sportscar365 believes that the new GT3 car could be formally launched next month ahead of its race debut later this year, likely in VLN competition. A similar timeline for the GT4 model could also be possible, as part of Porsche’s all-new customer GT lineup offering for 2019.

Photo: Monza Motorsport

Photo: Monza Motorsport

John Dagys is the founder and Editor-in-Chief of Sportscar365 as well as the recently launched e-racing365 Web site for electric racing. Dagys spent eight years as a motorsports correspondent for Channel, and contributes to other publications worldwide. Contact John




    April 25, 2018 at 9:47 am

    wing mirrors on the new GT3 are from the GTE spec RSR

  2. jason

    April 25, 2018 at 9:56 am

    Hope it will sound like the 911 RSR.

    • Just a guy

      April 25, 2018 at 10:52 am

      It will not sound like the RSR as the GT3 spec cars run a catalyst/ muffler and the RSR is wide open.

    • Andrew

      April 25, 2018 at 5:34 pm

      God I hope it doesn’t, a field of GT3Rs sounding like the RSR and I’ll need to get a better camper to hide in. That’s the worst noise ever from a car.

      • Andy Flinn

        April 25, 2018 at 8:48 pm

        Andrew, if it’s to loud you’re…

        How does that go again? I don’t know. I forget.

        Anyway, you kids get off of my dang lawn!

      • Slicks in the wet

        April 26, 2018 at 3:58 am

        And here I sit crying that no rotaries are destroying my ear hairs anymore.

      • A sera

        April 29, 2018 at 10:10 pm

        You don’t need to tell us how worried you are you other brand lover you.

  3. endurancefan

    April 25, 2018 at 10:12 am

    Both cars look amazing! hope to see more Porsches next year especially in BGT and IMSA

  4. MikeK

    April 25, 2018 at 10:32 am

    It’s good to see that all of the Porsche teams will be forced into buying brand new cars soon. There should be some current machinery that’ll be going for 50% off soon.

  5. NASCAR/DPs Suck

    April 25, 2018 at 11:03 am

    I’m curious how they address the lack of rear diffuser space on the GT3 car since they’re not going mid-engine like the GTLM car.

    • porch

      April 25, 2018 at 1:43 pm

      look at the picture

  6. Bob

    April 25, 2018 at 11:11 am

    Wait the GT3 R had an Evo after VLN 8 last year… surely they can’t be doing another so soon??

    • Old Bob

      April 25, 2018 at 11:15 am

      the evo is a small change. what I see and hear: a different exit duct on the front cover for the water cooler. flicks. a flywheel and some other small shit. the car in this article is a completely new car.

  7. Matt

    April 26, 2018 at 4:20 am

    That is a sexy car 😋

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