
Porsche 911 Carrera Cabriolet M491 Market Value & Price History
The Porsche 911 Carrera Cabriolet M491 has a market value of $77,566 to $93,685 depending on year and condition, based on 39 verified auction sales across 4 model years (1985–1988). Individual examples have sold from $38,000 to $135,000, with 3 sold in the past 12 months. 1 is listed for sale.
Porsche 911 Carrera Cabriolet M491 Value by Year
What members see for the Porsche 911 Carrera Cabriolet M491
The value above is the headline. Pro shows you what the market did. Collector tells you what to do about it.
- All 39 sold prices across every year, and where each one sold
- The live Value Signal, and how confident it is
- A 1–5 year value projection
- A Buy / Hold / Sell call
- An alert the moment one lists or sells
- A deal verdict on each of the 1 ask listed for sale: whether it is fair, and by how many dollars
- Its value with the exact gearbox and options, wherever sales show the difference
- The best and worst months to buy and sell, and an estimated market-bottom date
- Deal Radar: listings across the market priced under their value, the best 20 at a time
- Search Agent: describe the spec you want and get an email when one lists
- Alerts on 200 cars at once (Pro: 10)
- Rad's Picks: cars for sale hand-picked by Rad, DriveIndex's founder, with an email when one is added
Not ready? A free account shows the current value and recent sale dates.
Recent Porsche 911 Carrera Cabriolet M491 Auction Results
| Sold | Year | Price | Mileage |
|---|---|---|---|
| Jul 8, 2026 | 1986 | $75,500 | 79,000 mi |
| May 14, 2026 | 1986 | $76,000 | 48,354 mi |
| Mar 14, 2026 | 1987 | $96,500 | 53,000 mi |
| Apr 28, 2025 | 1985 | $92,491 | 12,152 mi |
| Apr 15, 2025 | 1988 | $88,000 | 77,000 mi |
| Sep 23, 2024 | 1988 | $112,000 | 31,000 mi |
| Aug 16, 2024 | 1986 | $92,400 | 80,297 mi |
| Jun 28, 2024 | 1986 | $116,000 | 31,000 mi |
| Nov 2, 2023 | 1987 | $81,000 | 78,000 mi |
| Jul 16, 2023 | 1986 | $105,000 | 31,000 mi |
| Jun 1, 2023 | 1986 | $100,800 | 20,349 mi |
| May 23, 2023 | 1986 | $38,000 | 83,642 mi |
Porsche 911 Carrera Cabriolet M491: Frequently Asked Questions
How much is a Porsche 911 Carrera Cabriolet M491 worth?
Porsche 911 Carrera Cabriolet M491 market values range from $77,566 to $93,685 depending on the model year, mileage, and condition. Recent auction sales span $38,000 to $135,000. See the year-by-year breakdown below.
Which Porsche 911 Carrera Cabriolet M491 year is best?
DriveIndex tracks the market value of every Porsche 911 Carrera Cabriolet M491 year (1985–1988), listed year by year on this page. Whether each year is appreciating, stable or depreciating is DriveIndex's Value Signal, a Pro feature, which also includes a 1–5 year projection.
How many Porsche 911 Carrera Cabriolet M491 sell per year?
3 Porsche 911 Carrera Cabriolet M491 have sold at auction in the past 12 months across all years; DriveIndex has tracked 39 sales in total.
Where can I buy a Porsche 911 Carrera Cabriolet M491?
DriveIndex lists 1 Porsche 911 Carrera Cabriolet M491 for sale (last checked Nov 14, 2026), aggregated from the world's leading collector-car auction houses and marketplaces.