✦ Shifty Estimate
$46,200
▲ 20.4% · 12 mo- 12 months median
- $49K
- Sales, 12 months
- 15
- Original MSRP
- $30,000 · ▲ 54% since
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Chassis SC
1978 Porsche 911 SC Targa
1978 to 1983 · Targa
Price history
Recent sales
11 sales
1978 · Black · 220,300 mi · manual2026-06-01 · DixieWagon$39,750
1982 · Black · 181,000 mi2026-05-14 · johndekorte$44,000
1980 · Petrol Blue Metallic · 111,048 mi2026-02-05$56,560- 1979 · Guards Red · 134,832 mi2025-12-05$46,580
- 1980 · blue · manual2025-09-22$48,721
- 1979 · Grand Prix White · 143,531 mi2025-09-08$47,690
- 1980 · Metallic Blue · 103,511 mi2025-09-04$34,957
- 1979 · Black · 165,000 mi2025-07-14$46,935
1981 · Grand Prix White · 36,178 mi · manual2025-03-25$94,082
1981 · Black · 59,800 mi · manual2024-10-30 · Matthew_Baldo$40,400.jpg?t=170471679212)
1983 · Guards Red · 54,100 mi · manual2024-02-07 · joecangolf$46,000
Specifications
- Engine
- Flat-6, 3.0L
- Power
- 204 hp
- Torque
- 189 lb-ft
- 0 to 60
- 5.9s
- 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, 15 have sold publicly at a median of $48,721. The Shifty Estimate for a well-kept example is $46,200. Cars have changed hands anywhere from $38,791 to $53,130, depending on mileage, color, and history.
What is a 1978 Porsche 911 SC Targa worth today?
The Shifty Estimate is $46,200, up 20.4% over the past 12 months. We rate confidence medium: 15 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 20.4% over the past 12 months. The caution is spread, not direction: across the sales we have on file, prices ran from $34,957 to $94,082, and mileage explains most of that.
What has a Porsche 911 SC Targa sold for at auction?
The 3 most recent public sales we have on file:
- $39,750Jun 1, 2026Black · 220,300 mi
- $44,000May 14, 2026Black · 181,000 mi
- $56,560Feb 5, 2026Petrol Blue Metallic · 111,048 mi
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.