The US Porsche Enthusiast Auction Market Index

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About Nick George and Flat Six Figures

Flat Six Figures started while I was in the market for my first GT4. What began as a simple spreadsheet — tracking values, figuring out what to pay, when to buy, and generally justifying the “guy math” behind buying a Porsche — quickly became something much bigger. I kept adding more data, charts, and analysis, then expanded into 911 variants. Before long, the project had outgrown its shared spreadsheet entirely. So I taught myself how to build a website with AI and automated as much of the process as possible. There’s still plenty of daily, hands-on data entry behind the scenes, so I genuinely appreciate any support.

Currently covering values for: 981 GT4 and Spyder; 718 GT4, GT4 RS, Spyder and Spyder RS; 991 GT3, GT3 Touring, GT3 RS, GT2 RS, 911 R and Speedster; 992 GT3, GT3 Touring, GT3 RS, S/T, GT3 S/C, Dakar and Sport Classic. Includes every public US listing from the start of 2024 on Bring a Trailer, Cars & Bids and PCARMARKET, compiled and updated by hand. Major outliers and non-US-market cars are excluded. Anything past today is an estimate, not a forecast — use your own judgement, do your own research, and speak to a professional before spending real money. Flat Six Figures and Nick George accept no liability for any loss or decision arising from use of this site (but you can buy me a coffee if the opposite occurs!). Not affiliated with or endorsed by Porsche, Bring a Trailer, Cars & Bids or PCARMARKET.