Porsche · GT road car · 2017–2019

911 GT3

Recorded designation · Type 991.2
Recorded designation
Type 991.2
Engine / drive unit
MA1.77
Archive no.
115
Sources updated
11 September 2026
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Porsche 911 GT3 Type 991.2, front three-quarter view
Documentary photographPhoto: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
Engine redprint / verifiedMA1.77
4.0 L flat-six · naturally aspirated · MA1.77180° horizontally opposed banksbank 1 · 3 cylindersbank 2 · 3 cylinders
4.0 L flat-six · naturally aspirated · MA1.77Longitudinal rear-engine, rear-wheel driveTopology diagram · not to scale · based on the cited primary sources

The four-litre GT3 that restored a factory six-speed manual and introduced the understated Touring Package.

R / production rarity

How rare is it?

A simple 1–5 rating based on completed worldwide production for this exact version. Price and desirability are not included.

Rarity ratingNot availableNo comparable worldwide production total
Production bandNot available
Production evidenceNo exact production total
ProducedWorldwide total used for the rating
Production total unavailable

A reliable worldwide figure is not listed in the references.

How the rating works

The rating uses five fixed production bands. Smaller production runs receive higher ratings. Exact totals and responsibly sourced estimates for this precise version can be rated. Plans, regional totals, lower bounds, disputed figures and broader-family totals remain visible but unclassified. The evidence description is kept separate from the rating so a source limitation cannot change how scarcity is measured.

  1. 5/5Fewer than 25 builtUltra rare
  2. 4/525 to 249 builtVery rare
  3. 3/5250 to 2,499 builtRare
  4. 2/52,500 to 24,999 builtLimited production
  5. 1/525,000 or more builtSeries production
01 / specifications

At a glance

Model code
Type 991.2[3]
Engine
3,996 cc flat-six[3]
Output
368 kW / 500 PS[3]
Torque
460 Nm[3]
Transmission
6-speed manual or 7-speed PDK[3]
Production period
2017–2019[3]
02 / architecture

What creates the sound

The descriptors are editorial listening notes for the unmodified factory intake and exhaust system.

Open-licence recordings may be published as Unregistered when intake, exhaust or calibration details remain unknown.

  1. Horizontally opposed six-cylinder architecture
  2. Naturally aspirated factory induction
  3. Four-litre dry-sump flat-six with rigid valve gear derived from the 911 GT3 Cup engine.
Engine designation
MA1.77[3]
Configuration
Four-litre dry-sump flat-six with rigid valve gear derived from the 911 GT3 Cup engine.[3]
Displacement
3,996 cc[3]
Rated output
368 kW / 500 PS[3]
Peak torque
460 Nm[3]
Installation
Rear-engine, rear-wheel drive[3]
03 / context

History and character

Origins and context

Porsche introduced the 991.2 GT3 in 2017 at a moment when the model needed to reconcile progress with enthusiast expectations. The preceding 991.1 had brought PDK, rear-axle steering and a new engine family, improving performance but ending the manual-only continuity of earlier GT3s. The update retained the modern chassis technology while restoring a six-speed GT manual as an alternative. That choice made the 991.2 more than a conventional facelift: it reopened two valid interpretations of the same road-going GT car.

The new 3,996 cc naturally aspirated flat-six produced 368 kW (500 PS) and 460 Nm. Its rigid valve gear drew on the contemporary GT3 Cup engine concept, and the engine could reach 9,000 rpm. Buyers could pair it with a seven-speed PDK or the returning six-speed manual. The shared engine does not make manual and PDK records interchangeable.

Porsche also introduced the Touring Package to the GT3 line. Touring removed the fixed rear wing, substituted a retractable spoiler and presented the car with a quieter visual language while retaining the GT3 powertrain and core chassis. It was initially linked to the manual gearbox and became an important new branch of the model. A Touring car is not a standard GT3 with an owner-deleted wing, and a winged GT3 should not inherit Touring-specific equipment or weight claims.

Engineering and character

Underneath, rear-axle steering and active engine mounts continued the 991 generation’s effort to combine stability with agility in a larger 911 body. The four-litre engine restored the displacement reached by the 997 RS 4.0 but did so within a different architecture and production context. That distinction is central to Porsche history: familiar capacities and power figures can recur while the internal design, emissions system, gearbox and chassis around them change substantially.

The sound follows the engine’s high-speed breathing and solid valve operation, rising from a dense mechanical base toward a clear 9,000 rpm climax. Manual cars add clutch, shift and gear-noise events that PDK recordings do not reproduce in the same way. Any sound contribution must therefore record gearbox, exhaust mode and factory hardware. A modified silencer may be exciting, but it prevents the archive from answering the more valuable question of how Porsche delivered the car originally.

In the chronology, the 991.2 follows the PDK-only 991.1 and precedes the 992.1 with its double-wishbone front suspension and more overt aerodynamics. It is the point where Porsche demonstrated that technical modernity and manual involvement did not have to be mutually exclusive. The later 991.2 GT3 RS increased output and adopted an even more circuit-focused brief, but the standard GT3 remained the broader road-and-track interpretation.

Legacy and identity

Body treatment and transmission are primary identity fields, not footnotes. The name “991.2 GT3” can describe winged or Touring cars and manual or PDK drivetrains; accurate figures require the combination to be stated. That precision makes a complicated range understandable. It protects the details that create the car’s appeal: four-litre response, a choice of interaction and a chassis developed before the GT3 entered the double-wishbone 992 era.

01

Engineering context

Four-litre dry-sump flat-six with rigid valve gear derived from the 911 GT3 Cup engine.

04 / family tree

Model lineage

1972–2024 · 19 documented milestones

  1. Black Porsche 911 Carrera RS 2.7, front three-quarter view
    Photo: Calreyn88 · CC BY 4.0 · resized and cropped · Registration identifiers pixelated for privacy.
    1972911 Carrera RS 2.7Road-going RS origin of the later GT3 and GT3 RS ethos[2][3]
  2. White Porsche 911 SC RS, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped
    1984911 SC RS (G model)Rally-homologation continuation of the 911 RS line[2]
  3. Porsche 911 Carrera RS Type 964, rear three-quarter view
    Photo: MrWalkr · CC BY-SA 4.0 · resized and cropped · Registration identifiers pixelated for privacy.
    1991911 Carrera RS 3.6 (964)Carrera Cup technology returned the RS badge to production[2]
  4. Porsche 911 Carrera RS Type 993, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped
    1995911 Carrera RS (993)Final air-cooled RS generation before the GT3 era[2]
  5. Porsche 911 GT3 Type 996.1, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifiers pixelated for privacy.
    1999911 GT3 (996.1)First production 911 to carry the GT3 name[3]
  6. Porsche 911 GT3 Type 996.2, rear three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2003911 GT3 (996.2)First GT3 model update, with 381 PS and optional PCCB[3]
  7. White Porsche 911 GT3 RS Type 996.2 with red script
    Photo: MrWalkr · CC BY-SA 4.0 · resized and cropped
    2003911 GT3 RS (996.2)First GT3 RS; the sharper RS branch begins[2]
  8. Porsche 911 GT3 Type 997.1, side view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2006911 GT3 (997.1)New 997 generation introduced PASM to the GT3[3]
  9. Porsche 911 GT3 RS Type 997.1, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2006911 GT3 RS (997.1)First wide-body 997 RS and first GT3 RS sold in the US[2]
  10. Porsche 911 GT3 Type 997.2, front three-quarter view
    Photo: Damian Morys · CC BY 2.0 · resized and cropped · Registration identifiers pixelated for privacy.
    2009911 GT3 (997.2)Displacement grew to 3.8 litres and output to 435 PS[3]
  11. Porsche 911 GT3 RS Type 997.2, rear three-quarter view
    Photo: ilikewaffles11 · CC BY 2.0 · resized and cropped
    2009911 GT3 RS (997.2)First GT3 RS to out-power its contemporary GT3[2]
  12. White Porsche 911 GT3 RS 4.0 Type 997.2, side view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped
    2011911 GT3 RS 4.0 (997.2)Limited 4.0-litre culmination of the 997 RS line[2]
  13. Porsche 911 GT3 Type 991.1, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2013911 GT3 (991.1)First GT3 with PDK and rear-axle steering[3]
  14. Porsche 911 GT3 RS Type 991.1, front three-quarter view
    Photo: Mathious Ier · CC0 1.0 · resized and cropped
    2015911 GT3 RS (991.1)The RS branch adopted PDK and the Turbo-width body[2]
  15. Porsche 911 GT3 Type 991.2, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2017911 GT3 (991.2)Four-litre engine, manual return and first Touring Package[3]
  16. Porsche 911 GT3 RS Type 991.2, side view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2018911 GT3 RS (991.2)Second 991 RS iteration introduced the Weissach Package[2]
  17. Porsche 911 GT3 Type 992.1, front three-quarter view
    Photo: Calreyn88 · CC BY-SA 4.0 · resized and cropped · Registration identifier pixelated for privacy.
    2021911 GT3 (992.1)Double-wishbone front suspension reaches the road GT3[3]
  18. Grey Porsche 911 GT3 RS Type 992.1 photographed from the rear three-quarter angle at Japan Mobility Show Kansai 2025
    Photo: Aos.1905 · CC BY-SA 4.0 · resized and cropped
    2022911 GT3 RS (992.1)Current active-aero RS branch[4]
  19. Silver Porsche 911 GT3 with Touring Package Type 992.2 photographed in profile at the 2026 New York International Auto Show
    Photo: Charles from Port Chester, New York · CC0 1.0 · resized and cropped
    2024911 GT3 (992.2)Latest GT3 generation, offered winged or with Touring Package[5]
06 / contribute sound

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07 / further viewing

Authoritative films

Links pass directly to YouTube. The archive does not host, copy or embed these films.

08 / further reading

References

  1. 01Ganz nah am Rennsport: der neue Porsche 911 GT3 RSPorsche Newsroom · accessed 14 September 2026
  2. 02Fifty years of RS and five iconic predecessors of the 911 GT3 RSPorsche AG · accessed 11 September 2026
  3. 03Twenty-five years of the Porsche 911 GT3Porsche Newsroom · accessed 11 September 2026
  4. 04Purpose-built for performance: the new Porsche 911 GT3 RSPorsche Newsroom · accessed 11 September 2026
  5. 05Double Premiere: the new 911 GT3 and 911 GT3 with Touring packagePorsche Newsroom · accessed 11 September 2026