✦ Shifty Estimate
$56,400
▼ 8.3% · 12 mo- 12 months median
- $59K
- Sales, 12 months
- 15
- Original MSRP
- $28,000 · ▲ 101% since
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Chassis SC
1978 Porsche 911 SC
1978 to 1983 · Coupe
Price history
Recent sales
24 sales
1981 · Guards Red · 75,610 mi2026-08-31$87,730- 1981 · red · 79,446 mi · manual2026-08-26$52,250
- 1978 · blue · 123,935 mi · manual2026-07-20$56,196
- 1982 · Guards Red · 101,092 mi2026-06-19$67,488
- 1977 · black · 12,314 mi · manual2026-05-17$51,762
- 1979 · BLACK · manual2026-04-18$100,000
1982 · Red · 191,000 mi · manual2026-04-13 · Collectibleclassics$55,911
1982 · manual2026-03-05$78,400- 1982 · BLACK · manual2026-01-24$280,500
- 1982 · SLATE GRAY · manual2026-01-23$117,700
- 1978 · Grand Prix White (R4R4) · 132,464 mi2026-01-07$52,578
- 1979 · Light Blue Metallic · 66,987 mi2025-12-29$59,830
- 1979 · Red · 119,646 mi2025-11-14$58,900
- 1978 · Guards Red · 133,063 mi2025-10-16$40,911
1982 · Gemini Grey Metallic · 54,700 mi · manual2025-08-19 · Sproctor$68,571- 1982 · Guards Red · 112,265 mi2025-08-17$56,935
1978 · black · 210,944 mi · manual2025-08-08 · DrNathan$30,000- 1977 · Viper Green · 67,364 mi2025-06-30$62,898
- 1978 · Black · 140,870 mi2025-05-28$57,273
- 1981 · Grand Prix White · 150,825 mi2025-05-28$67,890
- 1983 · Blue · 36,154 mi2025-05-01$68,429
- 1980 · Black Metallic · 206,562 mi2025-04-30$57,605
- 1983 · Gold · 106,246 mi2025-01-24$62,620
- 1981 · Red Wine Metalic · 111,000 mi · manual$26,000
Specifications
- Engine
- Flat-6, 3.0L
- Power
- 204 hp
- Torque
- 189 lb-ft
- 0 to 60
- 5.7s
- Top speed
- 146 mph
- Transmission
- Manual
- Drivetrain
- RWD
- Curb weight
- 2,557 lb
- Original MSRP
- $28,000
- Designer
- Ferdinand Alexander Porsche
Common questions
How much does a Porsche 911 SC cost?
A 1978 Porsche 911 SC cost $28,000 new. Over the past 12 months, 15 have sold publicly at a median of $58,900. The Shifty Estimate for a well-kept example is $56,400. Cars have changed hands anywhere from $47,940 to $70,537, depending on mileage, color, and history.
What is a 1978 Porsche 911 SC worth today?
The Shifty Estimate is $56,400, down 8.3% over the past 12 months. Confidence is high: 15 public sales in a year gives a firm read.
Is a Porsche 911 SC a good investment?
It has appreciated 101% against its $28,000 list price. Values are down 8.3% over the past 12 months. The caution is spread, not direction: across the sales we have on file, prices ran from $26,000 to $280,500, and mileage explains most of that.
What has a Porsche 911 SC sold for at auction?
The 3 most recent public sales we have on file:
- $87,730Aug 31, 2026Guards Red · 75,610 mi
- $52,250Aug 26, 2026red · 79,446 mi
- $56,196Jul 20, 2026blue · 123,935 mi
The 911 SC bridged the gap between the temperamental early 911s and the more refined models that followed, making it a sweet spot for collectors today. Introduced for the 1978 model year, the SC featured a detuned but more reliable 3.0-liter flat-six producing 204 horsepower—down from the Carrera's 210 hp but with improved durability. This G-body generation marked Porsche's commitment to meeting stricter emissions standards while maintaining the 911's character. The SC's aluminum-silicon Nikasil cylinder linings proved problematic in some markets, making well-maintained examples particularly valuable. Ferdinand Alexander Porsche's timeless design remained largely unchanged, preserving the classic 911 proportions that define the model. Today, clean SCs represent accessible entry into air-cooled 911 ownership, with prices appreciating as collectors recognize their significance in 911 evolution.