
Chassis SC
Porsche 911 SC Targa
1978 to 1983 · Targa
A 1978 Porsche 911 SC Targa cost $30,000 new. Over the past 12 months, 14 have sold publicly at a median of $52,820. The Shifty Estimate for a well-kept example is $46,200. Across the sales we have on file, prices ran from $25,500 to $94,082, depending on mileage, color, and history.
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- Median · 12 mo
- $52,820
- Sales · 12 mo
- 14
- Original MSRP
- $30,000Up 54% since new
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Sold $39,750

Sold $44,000

Sold $44,150

Sold $50,000

Sold $62,000
Every SC
| SC Targa1978 to 1983 | SC Cabriolet1983 | SC1978 to 1983 | |
|---|---|---|---|
| Shifty Estimate | $46,200 | $46,600 | $69,800 |
| Sold median | $52,82014 sales | Too few sales to call2 sales | $69,35314 sales |
| 12-month move | Up 30.4% | Too few sales to call | Up 18.2% |
| For sale | None | None | 25 |
Specifications
- Engine
- Flat-6, 3.0L
- Power
- 204 hp
- Torque
- 189 lb-ft
- 0 to 60
- 5.9 s
- Top speed
- 144 mph
- Transmission
- Manual
- Drivetrain
- RWD
- Curb weight
- 2,601 lb
- Original MSRP
- $30,000
- Designer
- Ferdinand Alexander Porsche
Common questions
How much does a Porsche 911 SC Targa cost?
A 1978 Porsche 911 SC Targa cost $30,000 new. Over the past 12 months, 14 have sold publicly at a median of $52,820. The Shifty Estimate for a well-kept example is $46,200. Across the sales we have on file, prices ran from $25,500 to $94,082, depending on mileage, color, and history.
What is a 1978 Porsche 911 SC Targa worth today?
The Shifty Estimate is $46,200, up 30.4% over the past 12 months. We rate confidence medium: 14 public sales in a year is a thin market, and the spread between them is wide.
Is a Porsche 911 SC Targa a good investment?
It has appreciated 54% against its $30,000 list price. Values are up 30.4% over the past 12 months. The caution is spread, not direction: across the sales we have on file, prices ran from $25,500 to $94,082, and mileage explains most of that.
How many Porsche 911 SC Targa have sold?
Shifty has 28 public sales of the Porsche 911 SC Targa on file. The earliest was on Feb 7, 2024.
What is the most expensive Porsche 911 SC Targa sold?
The highest public sale on file is $94,082, on Mar 25, 2025, with 36,178 mi.
What has a Porsche 911 SC Targa sold for at auction?
The 3 most recent public sales we have on file:
- $39,377Oct 26, 2026red · 166,412 mi
- $63,860Oct 15, 2026116,312 mi
- $55,640Sep 30, 202652,804 mi
About the 1978 Porsche 911 SC Targa
The SC Targa represents the sweet spot of G-body 911 ownership, reliable, analog, and unmistakably '80s cool. Built during Porsche's recovery from the malaise era, the SC's 3.0-liter flat-six delivered a healthy 204 horsepower through a crisp five-speed manual. The removable Targa bar offered open-air thrills while maintaining structural rigidity that convertibles couldn't match. Ferdinand Alexander Porsche's timeless silhouette reached full maturity here, with impact bumpers finally integrated seamlessly into the design. These cars have shed their 'entry-level classic' reputation as collectors recognize the SC's perfect balance of usability and character. Clean examples with original Fuchs wheels and intact interiors command serious money, especially in desirable colors like Guards Red or Grand Prix White.
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