While high-powered V8 sports cars like the Jaguar F-Type SVR and Chevrolet Corvette deliver thrilling performance and aggressive soundtracks, they often come with heavy fuel bills. For buyers looking for a balance between fun and efficiency, the Toyota GR Supra is a strong choice—especially at a more affordable new-car price. But in the used market, there’s another compelling option: the 2018 Porsche 718 Cayman GTS, a turbocharged flat-four sports car that once cost nearly $80,000 when new and now trades hands for about the same price as a brand-new Supra.
This article compares the performance and pricing of the used Porsche 718 Cayman GTS to the 2026 Toyota Supra. All figures have been gathered from reputable automotive sources.
Porsche’s 718 Cayman: A Controversial New Direction
In 2017, Porsche made a bold move by replacing the naturally aspirated flat-six engines in its Boxster and Cayman models with smaller turbocharged flat-four units. This decision sparked debate among enthusiasts. The base 2.0-liter engine produced 300 horsepower, while the S variants received a 2.5-liter version with 350 hp.
The 2018 GTS Took the Flat-Four Formula Further
A year later, Porsche introduced the 718 Cayman GTS. This performance version improved on the Cayman S with a revised 2.5-liter turbocharged engine that produced 365 horsepower. It also featured sportier suspension, stronger brakes, and more aggressive styling inside and out. When new, it carried a base price of $79,800, roughly $10,000 more than the Cayman S.
Thanks to depreciation, buyers can now find earlier models of the GTS at significantly reduced prices—often for the cost of what a standard Cayman would have cost brand new in 2018.
Used Cayman GTS Prices Now Match New Supra MSRPs
The four-cylinder Cayman GTS was only offered for two model years (2018–2019), making it relatively rare. According to Kelley Blue Book, a 2018 model now costs about $64,000, while a 2019 model averages $68,000. Data from Classic.com confirms this, placing the average sale price at around $68,700.
For comparison, the 2026 Toyota GR Supra starts at $56,900. While that’s cheaper, it’s possible to find used Cayman GTS models at Supra pricing—if you’re willing to accept minor compromises.
Repaired Caymans Offer Bargain Performance
Used car search engine AutoTempest shows that a few Cayman GTS models can be found at Supra-level prices, but most have histories of previous damage. For example, a blue 2018 Cayman GTS with 45,000 miles, listed on TrueCar for $54,999, had sustained water damage but was professionally repaired and certified for resale.
Another example on Cars.com listed at $56,995 had been in a minor accident but was also restored to a high standard. For buyers who don’t mind a car with a story, these examples offer major performance for less than $60,000.
Performance Showdown: Cayman GTS vs. GR Supra
On paper, the GR Supra offers excellent performance with a 3.0-liter turbocharged inline-six engine producing 382 hp. That’s more power and torque than the Cayman GTS, which is lighter but down on displacement. The Supra also beats the GTS to 60 mph, achieving the sprint in 3.9 seconds, two-tenths faster than the Porsche.
However, the Cayman GTS has its strengths. Its mid-engine layout and stiffer suspension deliver sharper handling, making it the better choice for drivers who prioritize cornering precision. But to get this experience at Supra pricing, buyers must consider models with previous damage or high mileage.
Early Cayman S Models Still Shine for Budget Buyers
If you prefer the classic flat-six engine, the older Cayman S 987.1 offers strong performance and a more traditional Porsche sound. For under $30,000, buyers can find clean examples with moderate mileage. A 2006 Cayman S with just over 57,000 miles is currently listed for $25,995 on Cars.com.
Why the 987 Cayman S is a Hidden Gem
The 987 Cayman S came with a 3.4-liter flat-six engine making 295 hp. Paired with a six-speed manual or Tiptronic automatic, it reaches 60 mph in 5.1 seconds. Despite its age, it still delivers excellent driving dynamics and a high-quality cabin—at less than half the price of a new Supra or used Cayman GTS.
Conclusion: Cayman or Supra—It Depends on What You Value
Buyers torn between a used Porsche and a new Toyota have several compelling options. The 718 Cayman GTS offers the Porsche badge, sharp handling, and turbocharged speed. But at the same price, the Supra delivers more power, a warranty, and a clean history. Meanwhile, older Cayman S models provide flat-six thrills on a tighter budget.
Ultimately, whether you choose the precise Porsche or the potent Toyota depends on whether you prioritize handling finesse or horsepower—and whether you’re willing to take a chance on a used car with a past.
