Porsche 718 Cayman GT4 ePerformance Is an EV Race Car Test Bed

  • Porsche has shown off the 718 Cayman GT4 ePerformance, a test bed for an electric race car expected to go on sale in 2025.
  • The ePerformance, like the Mission R concept, pushes out 1073 horsepower in qualifying mode.
  • Based on the chassis of a Cayman GT4 Clubsport, the ePerformance measures 5.5 inches, with a body featuring renewable materials including flax fiber and balsa wood for non-structural components.

    Porsche signaled its push toward electric sports cars and customer racing last fall with the Mission R concept, a chiseled, futuristic take on its classic mid-engine sports cars that traded internal combustion for 1073 horsepower worth of furious electrons. The concept, a running prototype, was said to preview a race car coming in 2025. Now Porsche has revealed the 718 Cayman GT4 ePerformance, which will act as a test bed for that future electric race car and likely previews the next generation of the 718 Boxster and Cayman, which are also set to get an electric powertrain.

    porsche 718 cayman gt4 performance


    The GT4 ePerformance is similar underneath to the Mission R, based on the chassis of a 718 Cayman GT4 Clubsport and featuring an electric motor on each axle for all-wheel drive. The ePerformance pushes out a bonkers 1073 horsepower in qualifying mode and 604 ponies for up to 30 minutes in race mode. Porsche says the ePerformance matches the current 911 GT3 Cup car when it comes to lap times and a top speed around 186 mph. The test car features the same 82-kWh battery as the Mission R, and the 900-volt electric architecture allows it to charge at up to 350 kW, going from five to 80 percent in a claimed 15 minutes.

    Approximately 6000 parts on the GT4 ePerformance were designed from scratch, and the electric racer measures 5.5 inches wider than the GT4 Clubsport upon which it is based. The body itself is constructed from a natural fiber composite, which Porsche says reduces emissions during the production process. The GT4 ePerformance will make its real-world debut at the Goodwood Festival of Speed ​​in late June, where it will tackle the 1.2-mile hillclimb track.

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