1977 Porsche 911S Targa (G-Series) Market Value & Price History
The 1977 Porsche 911S Targa (G-Series) has a current market value of $62,284 as of Oct 12, 2026, based on 43 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2013 between $31,911 and $49,257. Based on US sales through Aug 14, 2026. 6 have sold in the past 12 months. The median sale price is up 14.5% over the past 12 months versus the prior year.
Data: DriveIndex. 43 verified auction sales for the 1977 Porsche 911S Targa (G-Series), latest sale Aug 14, 2026. Value as of Oct 12, 2026. Methodology
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1977 Porsche 911S Targa (G-Series) Specifications
✓ Independently verified. We never estimate specs.
The 1977 Porsche 911S Targa (G-Series) left the factory with 157 hp, running 0–60 mph in 7.5 seconds. 2,737 were built, making it a limited-production car at auction. It carried an original MSRP of $14,855.
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The median 1977 Porsche 911S Targa (G-Series) sold for $49,254 in 2026, against $31,000 in 2017. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2026 | $49,254 | 6 |
| 2024 | $43,000 | 6 |
| 2023 | $42,000 | 5 |
| 2022 | $48,222 | 3 |
| 2021 | $60,250 | 3 |
| 2020 | $31,300 | 6 |
| 2019 | $50,911 | 3 |
| 2017 | $31,000 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 1977 Porsche 911S Targa (G-Series) Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Aug 14, 2026 | $134,400 | 30,757 mi | — |
| Aug 6, 2026 | $49,257 | 125,355 mi | Manual |
| Jul 21, 2026 | $49,220 | 37,700 mi | Manual |
| May 7, 2026 | $86,500 | 105,000 mi | Manual |
| Apr 15, 2026 | $44,000 | 197,567 mi | Manual |
| Mar 3, 2026 | $49,250 | 82,000 mi | Manual |
| Oct 4, 2025 | $43,000 | 75,000 mi | — |
| Jan 28, 2025 | $38,500 | 76,000 mi | Manual |
| Dec 29, 2024 | $73,500 | 50,000 mi | — |
| Sep 30, 2024 | $37,500 | 160,000 mi | Manual |
| Jun 18, 2024 | $45,000 | 63,690 mi | Manual |
| Jun 14, 2024 | $40,300 | 140,000 mi | Manual |
| Mar 13, 2024 | $41,000 | 115,000 mi | Manual |
| Jan 2, 2024 | $45,000 | 89,000 mi | Manual |
| Nov 10, 2023 | $46,500 | 75,000 mi | Manual |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Porsche 911S Targa auction results →See the full picture on the 1977 Porsche 911S Targa (G-Series)
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Porsche 911S Targa by Year
Which 911S Targa year should you buy? Every year compared →1977 Porsche 911S Targa (G-Series): Frequently Asked Questions
How much is a 1977 Porsche 911S Targa (G-Series) worth?
A 1977 Porsche 911S Targa (G-Series) is worth approximately $62,284 as of Oct 12, 2026, based on 43 verified auction sales tracked by DriveIndex. Based on US sales through Aug 14, 2026. Half of all verified sales fall between $31,911 and $49,257; the full verified range is $16,000 to $134,400. Condition, mileage and options move an individual car within that band.
What are the factory specs of the 1977 Porsche 911S Targa (G-Series)?
The 1977 Porsche 911S Targa (G-Series) left the factory with 157 hp, running 0–60 mph in 7.5 seconds. 2,737 were built, making it a limited-production car at auction. It carried an original MSRP of $14,855. These figures are independently verified. DriveIndex never estimates specs.
How much did a 1977 Porsche 911S Targa (G-Series) cost new?
The 1977 Porsche 911S Targa (G-Series) carried an original MSRP of $14,855. Verified examples now trade around $62,284.
How much has the 1977 Porsche 911S Targa (G-Series) depreciated?
It hasn't depreciated. The 1977 Porsche 911S Targa (G-Series) is worth about 319% more than its original MSRP of $14,855, with verified examples now trading around $62,284. That compares today's value with the sticker price, not adjusted for inflation.
How many 1977 Porsche 911S Targa (G-Series) sell per year?
6 have sold at auction in the past 12 months. DriveIndex has tracked 43 1977 Porsche 911S Targa (G-Series) sales in total.
Are 1977 Porsche 911S Targa (G-Series) sale prices higher or lower than a year ago?
The median 1977 Porsche 911S Targa (G-Series) sale price is up 14.5% over the past 12 months versus the prior year, based on verified auction sales. That figure tracks the median of what actually sold, so it moves with the mix of mileages and options that came to market as well as with the market itself. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 1977 Porsche 911S Targa (G-Series)?
DriveIndex tracks for-sale listings and auction results for the 1977 Porsche 911S Targa (G-Series) from the world's leading collector-car auction houses and marketplaces.
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