1978 Porsche 911 SC Targa (G-Series) Market Value & Price History
The 1978 Porsche 911 SC Targa (G-Series) has a current market value of $60,885, based on 48 verified auction sales tracked by DriveIndex, with sold prices ranging from $22,500 to $115,000. 12 have sold in the past 12 months. Sold prices are up 27.7% over the past 12 months versus the prior year.
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Open the 911 SC Targa on DriveIndex →Recent 1978 Porsche 911 SC Targa (G-Series) Auction Results
| Sold | Price | Mileage |
|---|---|---|
| Jun 27, 2026 | $58,500 | 102,000 mi |
| May 22, 2026 | $71,000 | 104,000 mi |
| Mar 15, 2026 | $68,000 | 161,000 mi |
| Jan 16, 2026 | $45,000 | 121,000 mi |
| Dec 17, 2025 | $42,750 | 165,700 mi |
| Dec 16, 2025 | $53,000 | 143,000 mi |
| Oct 11, 2025 | $62,500 | 9,000 mi |
| Sep 29, 2025 | $39,500 | 85,000 mi |
| Sep 11, 2025 | $115,000 | 140,000 mi |
| Sep 1, 2025 | $45,000 | 126,000 mi |
| Jul 31, 2025 | $32,000 | 6,900 mi |
| Jul 20, 2025 | $77,000 | 81,000 mi |
| May 1, 2025 | $41,750 | 108,000 mi |
| Apr 14, 2025 | $69,000 | 500 mi |
| Mar 29, 2025 | $93,000 | 33,000 mi |
Verified results from the world's leading collector-car auction houses and marketplaces.
See the full picture on the 1978 Porsche 911 SC Targa (G-Series)
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Porsche 911 SC Targa by Year
1978 Porsche 911 SC Targa (G-Series) — Frequently Asked Questions
How much is a 1978 Porsche 911 SC Targa (G-Series) worth?
The 1978 Porsche 911 SC Targa (G-Series) has a market value of approximately $60,885, based on 48 verified auction sales. Recent examples have sold between $22,500 and $115,000.
How many 1978 Porsche 911 SC Targa (G-Series) sell per year?
12 have sold at auction in the past 12 months. DriveIndex has tracked 48 sales in total.
Is the 1978 Porsche 911 SC Targa (G-Series) appreciating or depreciating?
Sold prices for the 1978 Porsche 911 SC Targa (G-Series) are up 27.7% over the past 12 months compared with the prior year, based on verified auction sales. For the full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection, open the 1978 Porsche 911 SC Targa (G-Series) on DriveIndex.
Where can I buy a 1978 Porsche 911 SC Targa (G-Series)?
DriveIndex tracks for-sale listings and auction results for the 1978 Porsche 911 SC Targa (G-Series) from the world's leading collector-car auction houses and marketplaces.
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