The Porsche 718 Cayman GT4 Clubsport MR is one of the most nimble and balanced cars in iRacing’s GT4 lineup. Released in the 2019 Season 2 build (March 2019), it brought Porsche’s signature mid-engine handling and motorsport pedigree to the sim’s growing GT4 class.
Powered by a 3.8L naturally aspirated flat-six producing around 425 horsepower, the Cayman GT4 Clubsport MR blends agility, stability, and precision. Its lightweight chassis and balanced aerodynamics make it one of the most rewarding GT4 cars to drive, whether in sprint races or endurance events.
Performance & Specs
- Engine: 3.8L flat-six, naturally aspirated
- Horsepower: ~425 hp (Balance of Performance dependent)
- Transmission: 6-speed sequential paddle-shift
- Layout: Mid-engine, rear-wheel drive
- Weight: ~1,350–1,400 kg (depending on BoP)
- Top Speed: ~155–160 mph depending on track and setup
- Aero Package: GT4-compliant splitter, diffuser, and wing
Handling Characteristics
The Cayman GT4 Clubsport MR is known for its precision and agility.
- Cornering: Mid-engine balance allows sharp rotation and confidence in technical sections.
- Braking: Stable under heavy braking, though aggressive trail braking requires finesse.
- Throttle: Smooth flat-six powerband makes it predictable, but early throttle stabs risk over-rotation.
- Endurance Pace: Strong tire management makes it effective in long-distance races.
This combination makes the car approachable for newer drivers yet demanding enough for advanced racers to unlock its full potential.
Difficulty Level
The Cayman sits in the intermediate category of GT4 cars. It is more agile than the BMW M4 GT4 Evo or Aston Martin Vantage GT4, but also less forgiving. Precision and discipline are rewarded with lap time, while sloppy inputs can quickly lead to mistakes. For drivers who prefer nimbleness over brute stability, the Porsche is one of the most rewarding GT4 choices.
Real-World Tie-In
The Porsche 718 Cayman GT4 Clubsport MR competes in:
- IMSA Michelin Pilot Challenge
- GT4 European Series
- British GT Championship
- National GT4 categories worldwide
It is one of Porsche’s most popular customer racing cars, prized for its reliability, agility, and adaptability to multiple formats.
Why Drive the Porsche 718 Cayman GT4 Clubsport MR in iRacing?
- Agility: Mid-engine layout offers excellent rotation and responsiveness.
- Precision: Smooth drivers are rewarded with top-tier pace.
- Consistency: Balanced aero and predictable flat-six power aid long stints.
- Competitiveness: Strong option in both sprint and endurance formats.
Tips for Success
- Trail Braking: Use lightly to aid rotation, but avoid over-rotating the rear.
- Smooth Throttle: Progressive inputs prevent snap oversteer and improve tire longevity.
- Aerodynamics:
- Higher Rear Downforce → Helps stabilize the car on technical circuits like Zandvoort or Nürburgring GP.
- Lower Drag → Useful at Monza or Daytona but requires discipline on exits.
- Momentum Driving: The Cayman thrives on carrying speed and precision rather than aggressive inputs.
The Porsche 718 Cayman GT4 Clubsport MR is one of the most agile and rewarding GT4 cars in iRacing. Its mid-engine balance and flat-six character give it a unique feel, while its endurance reliability ensures it can perform in the longest races. For drivers who value agility, precision, and Porsche heritage, the Cayman GT4 is a standout choice.
It is nimble, balanced, and built for drivers who enjoy finesse over brute force.
