1977 Porsche 911 – The Final Year of the 2.7L Era

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Overview

The 1977 Porsche 911 marked the last model year featuring the 2.7L flat-six engine, as Porsche prepared for a major shift to the 3.0L engine in 1978. This year saw further refinements in rust-proofing, suspension tuning, and interior materials, continuing the evolution of the G-Series.

Available Models

For 1977, Porsche continued offering multiple 911 variants:

• 911: The base model featuring a 2.7L flat-six producing 150 HP.
• 911S: A sportier version with 175 HP and improved handling.
• 911 Carrera 2.7: The final year of this model before being replaced by the Carrera 3.0.
• 911 Turbo (930): Retaining the 3.0L turbocharged flat-six producing 260 HP.

Development & History

Porsche had been preparing for a transition to the 3.0L engine, but 1977 remained a key year in the 911’s evolution. Improvements in galvanized steel construction provided better rust resistance, while suspension refinements enhanced overall drivability.

Engine & Performance

The 1977 Porsche 911 lineup remained largely unchanged mechanically, still utilizing the 2.7L flat-six engine, while the 911 Turbo (930) continued as the flagship performance model.

• Engine: 2.7L Flat-6 (911, 911S, Carrera 2.7), 3.0L Turbo Flat-6 (911 Turbo)
• Horsepower: 150 HP (911), 175 HP (911S), 165-175 HP (Carrera 2.7), 260 HP (911 Turbo)
• Fuel System: Mechanical Fuel Injection (MFI) / Bosch K-Jetronic (varies by market)
• Transmission: 5-speed manual (911), 4-speed manual (911 Turbo)
• Drivetrain: Rear-Wheel Drive (RWD)
• 0-60 mph: 6.5 seconds (911 Turbo)
• Top Speed: 155 mph (911 Turbo)

Design & Features

The 1977 Porsche 911 retained the impact bumper design, with minor refinements to interior materials and seating comfort.

• Body Style: Coupe and Targa
• Seating Capacity: 4
• Weight: 2585 lbs (911), 2700 lbs (911 Turbo)
• Chassis Code: 911
• Wheelbase: 89.4 inches
• Notable Features: Galvanized steel body, improved suspension, impact bumpers

Production & Rarity

The 1977 Porsche 911 marked the end of the 2.7L engine era, making it a historically significant model year.

• Production Start: 1977
• Factory of Origin: Stuttgart, Germany

FAQs

What makes the 1977 Porsche 911 special?

It was the final year of the 2.7L engine before Porsche transitioned to the more powerful 3.0L in 1978.

How many 1977 Porsche 911s were produced?

Porsche produced approximately 14,500 units across all variants.

What is the value of a 1977 Porsche 911 today?

Standard models range from $50,000 to $150,000, while early 911 Turbo models can exceed $300,000.