1973 Porsche 911 Coupe (G) Dimensions, Size & Specs

The curb weight of the Porsche 911 Coupe (G) ranges from 1070 kg to 1210 kg (2359 to 2667 lbs), while the maximum permissible weight varies between 1340 kg and 1530 kg (2954 to 3371 lbs). The relatively light curb weight contributes to the car's nimble handling and acceleration capabilities, typical of a high-performance sports coupe, while the maximum weight accounts for passengers and cargo, ensuring the car maintains its structural integrity and driving dynamics.

The ride height or ground clearance of the Porsche 911 Coupe (G) ranges between 120 mm and 150 mm (4.7 to 5.9 inches). This low clearance enhances the car's aerodynamics and stability during high-speed cornering by minimizing body roll and maintaining a lower center of gravity. However, it requires cautious driving on uneven or rough surfaces to avoid undercarriage damage.

The Porsche 911 Coupe (G) used various rim sizes over its production period, including 5.5J x 15, 8J x 15, 7J x 15, 6J x 15, 7J x 16, and 8J x 16 inches. Correspondingly, tire sizes ranged from 185/70 R15 and 215/60 R15 to 225/50 R16 and 205/55 R16. The diversity in rim and tire options allowed for customization of the car's handling characteristics and aesthetic appearance, with wider tires providing enhanced grip and stability.

With a length of 4291 mm (169 inches), width between 1610 mm and 1652 mm (63.4 to 65 inches), and a height of 1320 mm (52 inches), the Porsche 911 Coupe (G) comfortably fits into a standard residential garage, which typically measures about 2400 mm (8 feet) wide by 4800 mm (16 feet) deep. Its compact sports car size ensures ease of parking and maneuvering in typical home garages without difficulty.

The Porsche 911 Coupe (G) introduced in 1973 was slightly larger compared to its predecessor, the 911 (F-series produced from 1964 to 1973). While the length increased to 4291 mm (169 inches), offering marginally more cabin and luggage space, the width of up to 1652 mm (65 inches) was also slightly greater, providing better stability and stance. These incremental dimension changes improved comfort and road presence without sacrificing the iconic 911 silhouette or its renowned agile handling.

Compared to its contemporaries like the Jaguar E-Type Series 3 and the Chevrolet Corvette C3, the Porsche 911 Coupe (G) was more compact and lighter. With its length of 4291 mm (169 inches) and curb weight between 1070 kg and 1210 kg (2359 to 2667 lbs), it offered a more nimble and responsive driving experience. Competitors were typically longer and heavier, which influenced their handling dynamics and fuel efficiency. The 911 (G) carved a niche with its rear-engine layout and balanced performance.

The Porsche 911 Coupe (G) has a roof load capacity of 35 kg (77 lbs). This relatively modest allowance is suitable for lightweight roof attachments such as small roof racks for luggage or sports equipment (e.g., skis or bicycles). However, due to the car's low profile and sports-oriented design, substantial rooftop storage is not practical, and the roof load should be respected to avoid compromising structural integrity or driving safety.

Over the 16 years of production, the Porsche 911 Coupe (G) saw some incremental dimensional changes, primarily in width, varying from 1610 mm to 1652 mm (63.4 to 65 inches) due to the introduction of wider body variants such as the Turbo models and different wheel setups. The length and height remained largely consistent at 4291 mm (169 inches) and 1320 mm (52 inches) respectively. These changes reflected Porsche's evolution toward improved performance and aerodynamic efficiency while retaining the classic design.

Although the Porsche 911 Coupe (G) measures 4291 mm (169 inches) in length, its iconic sports car design prioritizes performance over interior spaciousness. The cabin comfortably accommodates two occupants in the front with limited rear seating or cargo space, depending on model and year. Cargo space is modest but practical for weekend trips — the rear trunk offers some storage, while the front trunk (frunk) enhances utility. The compact dimensions emphasize driving engagement and driver-focused ergonomics rather than spaciousness.