✦ Shifty Estimate
$102,200
▲ 0.6% · 12 mo- 12 months median
- $92K
- Sales, 12 months
- 29
- Original MSRP
- $84,600 · ▲ 21% since
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2015 Porsche Cayman GT4
2015 to 2016 · Coupe
Price history
Recent sales
29 sales on file
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Specifications
- Engine
- Naturally Aspirated Flat-6, 3.8L
- Power
- 385 hp
- Torque
- 310 lb-ft
- 0 to 60
- 4.2s
- Top speed
- 183 mph
- Transmission
- Manual
- Drivetrain
- RWD
- Curb weight
- 2,910 lb
- Original MSRP
- $84,600
- Designer
- Michael Mauer
Common questions
How much does a Porsche Cayman GT4 cost?
A 2015 Porsche Cayman GT4 cost $84,600 new. Over the past 12 months, 29 have sold publicly at a median of $92,000. The Shifty Estimate for a well-kept example is $102,200. Cars have changed hands anywhere from $57,000 to $117,530, depending on mileage, color, and history.
What is a 2015 Porsche Cayman GT4 worth today?
The Shifty Estimate is $102,200, up 0.6% over the past 12 months. Confidence is high: 29 public sales in a year gives a firm read.
Is a Porsche Cayman GT4 a good investment?
It has appreciated 21% against its $84,600 list price. Values are up 0.6% over the past 12 months. The caution is spread, not direction: across the sales we have on file, prices ran from $52,500 to $129,000, and mileage explains most of that.
What has a Porsche Cayman GT4 sold for at auction?
The 3 most recent public sales we have on file:
- $92,000Jul 29, 2026Pure White (C9A) · 9,000 mi
- $99,500Jun 11, 2026Dark Blue Metallic · 36,700 mi
- $127,500Jun 8, 2026Jet Black Metallic · 32,000 mi
The Cayman GT4 elevated Porsche's mid-engine platform to new heights, borrowing the 3.8-liter flat-six from the 911 Carrera S to produce 385 hp. This track-focused variant featured aggressive aerodynamics, including a fixed rear wing and front splitter, while PASM sport suspension and mechanical limited-slip differential sharpened handling. The manual-only transmission and naturally aspirated engine created an increasingly rare combination in modern Porsches. Production was limited and heavily oversubscribed, with many dealers adding significant markups to the $84,600 MSRP. The GT4 proved that Porsche's mid-engine chassis could rival the 911's performance while offering superior balance and feedback. As the final naturally aspirated GT4 before turbocharging arrived, these have become highly collectible, representing the pinnacle of analog Porsche engineering in the modern era.