Porsche 911 Turbo Cabriolet M505 Slant Nose Market Value & Price History
The Porsche 911 Turbo Cabriolet M505 Slant Nose has a market value of $222,931 depending on year and condition, based on 3 verified auction sales across 1 model year (1988–1988). Individual examples have sold from $176,000 to $257,794, with 2 sold in the past 12 months.
Porsche 911 Turbo Cabriolet M505 Slant Nose Value by Year
Recent Porsche 911 Turbo Cabriolet M505 Slant Nose Auction Results
| Sold | Year | Price | Mileage | Source |
|---|---|---|---|---|
| Dec 16, 2025 | 1988 | $235,000 | 48,000 mi | bat |
| Dec 5, 2025 | 1988 | $257,794 | 39,000 mi | bat |
| Apr 15, 2025 | 1988 | $176,000 | 42,000 mi | bat |
Porsche 911 Turbo Cabriolet M505 Slant Nose — Frequently Asked Questions
How much is a Porsche 911 Turbo Cabriolet M505 Slant Nose worth?
Porsche 911 Turbo Cabriolet M505 Slant Nose market values range from $222,931 depending on the model year, mileage, and condition. Recent auction sales span $176,000 to $257,794. See the year-by-year breakdown below.
Which Porsche 911 Turbo Cabriolet M505 Slant Nose year is best?
DriveIndex tracks the market value of every Porsche 911 Turbo Cabriolet M505 Slant Nose year (1988–1988) so you can compare appreciation and pricing side by side. The full Value Signal — appreciating, stable, or depreciating, with a 1–5 year projection — is available on each year's page.
How many Porsche 911 Turbo Cabriolet M505 Slant Nose sell per year?
2 Porsche 911 Turbo Cabriolet M505 Slant Nose have sold at auction in the past 12 months across all years; DriveIndex has tracked 3 sales in total.
Where can I buy a Porsche 911 Turbo Cabriolet M505 Slant Nose?
DriveIndex tracks for-sale listings and auction results for the Porsche 911 Turbo Cabriolet M505 Slant Nose from the top auction houses and marketplaces.