The 2023 Porsche 911 GT3 R (992) Comes To Project Motor Racing

September 19, 2025

Endurance Pace You Can Live In

Built for customer-racing, the Porsche 911 GT3 R (992) was defined by purpose. Development began in 2019, debut was at Spa in 2022, and Porsche rolled their new GT3 out for global GT3 duty in 2023: from IMSA and SRO series to national championships, with Le Mans eligibility from 2024.

Headliner change? The engine. The naturally aspirated flat-six went to the gym and gained five percent (4L to 4.2L), broadening the usable rev band. Peak output sits around 560 bhp, and the focus is torque and drivability, not dyno bragging rights. (Though almost 10,000 rpm red line does come with some bragging rights!)

The lump still lives in the classic rear position for traction and braking, but Porsche tilted it 5.5° forward to feed a more effective underbody diffuser.

The six-speed sequential, meanwhile, was derived from the current GT3 Cup car, with paddle shift and an electronic shift drum for clean, repeatable changes. Out back is a mechanical limited slip with adjustable preload. The wheelbase stretches to 2,507 mm (up from 2,459) by nudging the rear axle rearward for less pitch sensitivity, better rear-tyre life, and calmer behaviour over long runs.

Porsche also cleaned the airflow with an elevated front underbody and smoother tray to feed a more efficient rear diffuser. The net effect is more consistent downforce without paying a drag penalty, exactly what you want when traffic and weather start messing with your rhythm.

The body is an aluminium-steel composite with carbon panels (lids, doors, roof, wing), aramid wheel arches, and a cockpit re-worked for safety and speed. Headlights use collimator tech seen on the 963 prototype—bigger and “cleaner” light for night stints.

So what’s it all translate to? A GT3 runner that trades peaks for consistency. The 992-gen GT3 R isn’t about headline speed—it’s about a bigger operating window, friendlier balance when the tyres go glassy, and less drama when you hit traffic at the wrong moment. That’s why it’s already a staple on entry lists worldwide—and why, when a Porsche 992 GT3 R rolls past at night with that high-rev flat-six on song, it sounds less like a sprint and more like winning.

How much winning?

2024: Baptism Of Wins

• Manthey EMA’s neon-green No. 92 came out swinging, bagging the first race of the brand-new LMGT3 class formula in Qatar and never looking back. The car clinched the inaugural LMGT3 teams’ crown with a round to spare, giving Porsche the manufacturers’ title on the GT side of the world championship.
• The single-car AO Racing “Rexy” effort in the IMSA WeatherTech (GTD Pro) series turned heads and points, sealing the GTD Pro championship with three wins. Porsche nailed down the GT manufacturers’ trophy, too.
• Blue-riband enduros: Second at the Nürburgring 24h with Falken, third at the Spa 24h after a rain-shortened slog with Manthey, and a lights-to-flag GTD podium at Petit Le Mans.

2025: Winning Comes Easy

• Rolex 24 at Daytona: AO Racing started the year by winning GTD Pro outright.
• LMGT3: Manthey PureRxcing snagged the Qatar opener again, and a sister Proton machine added a wet weather win in Italy. At mid-season, Porsche lead both the makes’ and teams’ tables.
• Nürburgring 24 h: Three 992s finished in the top five.
• IMSA: Early year pace translated into consistent podiums for Wright and Kelly-Moss. GTD-Pro points lead currently swings week-to-week by single digits.

In short, the 2023 Porsche 911 GT3 R (992) hasn’t just replaced the outgoing 991.2—it’s already matched the old car’s hit list in two seasons and looks on course to add more silverware before 2025 is out.

Drive it to victory in Project Motor Racing, November 25, 2025

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