1982 Porsche 911SC Coupe - photo by SCM reporter

Buyer's Guide: Porsche 911

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Model Overview

Introduced for the 1964 model year as the successor to the Porsche 356, the 911 established the basic formula that continues today: a rear-mounted flat-six engine, distinctive fastback profile and an emphasis on combining everyday usability with serious performance.

Early 1964–73 911s, now commonly called the “long-hood” cars, began with a 2.0-liter air-cooled flat-six. Engine displacement and performance steadily increased through 2.2- and 2.4-liter versions, culminating in cars such as the 1973 Carrera RS 2.7, one of the most celebrated early 911s.

For 1974, Porsche substantially redesigned the 911 to meet new U.S. bumper regulations. The resulting 1974–77 cars introduced large aluminum impact bumpers with accordion-style rubber extensions, creating the basic body design that would remain through 1989. These cars generally used 2.7-liter flat-six engines, with numerous versions sold as the 911, 911 S and Carrera depending on year and market. Bosch CIS fuel injection was widely used, although some European Carrera models retained mechanical fuel injection. U.S. emissions equipment and thermal reactors contributed to increased engine temperatures, and the 2.7-liter magnesium-case engines became known for problems including pulled cylinder-head studs when subjected to excessive heat. Properly updated examples can be considerably more reliable.

The 1978 model year brought a significant mechanical upgrade with the introduction of the 911 SC. Its new 3.0-liter aluminum-case flat-six was stronger and more durable than the preceding magnesium-case 2.7. The SC retained Bosch CIS injection and the Type 915 five-speed manual transmission but offered improved torque and drivability. U.S. cars initially produced about 180 horsepower, with output increasing during the model run, while European-market versions generally offered more power. The SC also received wider rear bodywork derived from the Carrera, accommodating wider wheels and tires and giving it a noticeably more muscular stance than most 1974–77 911s.

The 1978–83 SC evolved incrementally. Porsche improved engine management and emissions equipment, while compression ratios and horsepower changed depending on year and market. For 1980, European-market output increased to 188 horsepower (and 204 hp for 1981–83), while U.S.-spec cars remained around 180 horsepower throughout the SC’s run due to strict emissions regulations. The SC was available as a Coupe and Targa throughout production, with the 911 SC Cabriolet arriving for 1983—Porsche’s first production convertible since the 356. Its combination of the stronger 3.0-liter engine, galvanized body construction, relatively simple mechanical systems and classic 911 styling has made the SC one of the most popular entry points into vintage air-cooled 911 ownership.

For 1984, the SC gave way to the Carrera 3.2. A larger 3.2-liter engine and Bosch Motronic electronic fuel injection replaced the SC’s CIS system, providing more power, improved fuel economy and better cold-start behavior. Early Carrera 3.2 cars retained the 915 transmission, but for 1987 Porsche introduced the stronger, smoother-shifting G50 five-speed gearbox with a hydraulic clutch.

The 911 series continued in 1989, but Porsche officially referred to the later cars as 964, 993, 996, 997, and 992 models.



Books on the Porsche 911

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Past Auction Sales – Porsche 911

Average Porsche 911 Sale Price by Year from SCM’s Platinum Auction Database:

Porsche 911 Sales from SCM’s Platinum Auction Database:

Porsche 911 1973

Bring a Trailer

Condition: 2+

Jul 10, 2026

$1,207,500

Porsche 911 1988

Bring a Trailer

Condition: 2+

Jul 10, 2026

$322,500

Porsche 911 2005

Sotheby's Motorsport

Condition: 2-

Jul 8, 2026

$104,475

Porsche 911 2015

RM Sotheby's

Condition: 1-

Jul 8, 2026

$245,606

Porsche 911 1993

RM Sotheby's

Condition: 2-

Jul 8, 2026

$4,661,845

Porsche 911 1992

RM Sotheby's

Condition: 3+

Jul 8, 2026

$276,307

Porsche 911 2011

RM Sotheby's

Condition: 2

Jul 8, 2026

$870,133

Porsche 911 1999

Barrett-Jackson

Condition: 3+

Jun 26, 2026

$33,000

Porsche 911 1996

Barrett-Jackson

Condition: 3-

Jun 26, 2026

$77,000

Porsche 911 1988

Barrett-Jackson

Condition: 3

Jun 26, 2026

$49,500

Porsche 911 1988

Barrett-Jackson

Condition: 3-

Jun 26, 2026

$56,100

Porsche 911 2007

Bonhams Cars

Condition: 1-

May 31, 2026

$237,440

Porsche 911 2007

PCarMarket

Condition: 2-

May 31, 2026

$32,457

Porsche 911 1973

Broad Arrow Auctions

Condition: 3+

May 16, 2026

$624,714

Porsche 911 1997

Broad Arrow Auctions

Condition: 2

Apr 25, 2026

$263,200

Porsche 911 1998

Broad Arrow Auctions

Condition: 2

Apr 25, 2026

$681,500

Porsche 911 2011

Broad Arrow Auctions

Condition: 1-

Apr 25, 2026

$995,000

Porsche 911 2001

Broad Arrow Auctions

Condition: 2+

Apr 25, 2026

$123,200

Porsche 911 1998

Broad Arrow Auctions

Condition: 2+

Apr 25, 2026

$112,000

Porsche 911 2018

Broad Arrow Auctions

Condition: 1-

Apr 25, 2026

$293,750

Porsche 911 2002

Broad Arrow Auctions

Condition: 2

Apr 25, 2026

$64,960

Porsche 911 1980

Broad Arrow Auctions

Condition: 2

Apr 25, 2026

$126,000

Porsche 911 1992

Broad Arrow Auctions

Condition: 1

Apr 25, 2026

$1,160,000

Porsche 911 1965

Broad Arrow Auctions

Condition: 2-

Apr 25, 2026

$201,600

Porsche 911 1980

Broad Arrow Auctions

Condition: 2

Apr 25, 2026

$120,400

Porsche 911 2018

RM Sotheby's

Condition: 1

Apr 25, 2026

$546,072

Porsche 911 2008

Broad Arrow Auctions

Condition: 3

Apr 25, 2026

$72,800

Porsche 911 1990

Broad Arrow Auctions

Condition: 1

Apr 25, 2026

$1,022,500

Porsche 911 2016

Broad Arrow Auctions

Condition: 1

Apr 25, 2026

$747,500

Porsche 911 2018

Bonhams Cars

Condition: 2+

Apr 24, 2026

$454,572

Porsche 911 1965

Bonhams Cars

Condition: 2+

Apr 19, 2026

$171,201

Porsche 911 1971

Bonhams Cars

Condition: 3+

Apr 19, 2026

$155,637

Porsche 911 2006

Cars & Bids

Condition: 3

Apr 9, 2026

$68,250

Porsche 911 1991

PCarMarket

Condition: 2+

Apr 9, 2026

$347,500

Porsche 911 1973

Bring a Trailer

Condition: 2

Apr 9, 2026

$507,500

Porsche 911 1992

PCarMarket

Condition: 2

Apr 9, 2026

$162,500

Porsche 911 2002

RM Sotheby's

Condition: 2-

Mar 25, 2026

$148,500

Porsche 911 1976

RM Sotheby's

Condition: 2-

Mar 25, 2026

$203,500

Porsche 911 1965

RM Sotheby's

Condition: 2

Mar 25, 2026

$225,500

Porsche 911 1966

RM Sotheby's

Condition: 3+

Mar 25, 2026

$192,500

Porsche 911 1974

RM Sotheby's

Condition: 3

Mar 25, 2026

$50,600

Porsche 911 2004

RM Sotheby's

Condition: 2-

Mar 25, 2026

$159,500

Porsche 911 1976

RM Sotheby's

Condition: 3+

Mar 25, 2026

$225,500

Porsche 911 1987

Sotheby's Motorsport

Condition: 2

Mar 17, 2026

$55,650

Porsche 911 1974

Artcurial

Condition: 3+

Mar 15, 2026

$62,177

Porsche 911 1998

Bring a Trailer

Condition: 2+

Mar 12, 2026

$282,500

Porsche 911 2018

Gooding Christie's

Condition: 1

Mar 5, 2026

$341,500

Porsche 911 1992

RM Sotheby's

Condition: 2+

Feb 27, 2026

$1,160,000

Porsche 911 1989

Iconic Auctioneers

Condition: 2-

Feb 20, 2026

$101,620

Porsche 911 1973

Iconic Auctioneers

Condition: 2-

Feb 20, 2026

$182,006



See all 320 sales of Porsche 911 cars from SCM’s Platinum auction database.