2012 Porsche 911 Cabriolet (991) Dimensions, Size & Specs

The curb weight of the 991 Porsche 911 Cabriolet ranges roughly from 1470 kg to 1670 kg (3241 to 3683 pounds), depending on the specific model and equipment level. The maximum permissible weight varies between 1850 kg and 2045 kg (4078 to 4508 pounds). This weight range balances sporty agility with the structural reinforcement needed for the convertible roof mechanism and safety features.

The luggage capacity of the Porsche 911 Cabriolet (991) ranges from 275 liters to 290 liters (approximately 9.7 to 10.2 cubic feet). While not particularly spacious compared to larger vehicles, this capacity is sufficient for typical day trips, weekend getaways, or grocery runs. The storage is designed intelligently to maximize use within a sporty convertible's limited space.

The Porsche 911 Cabriolet (991) comes with a variety of rim sizes including 8.5J x 19, 11J x 19, 8.5J x 20, 11J x 20, 9J x 20, and 11.5J x 20 wheels. Tires sizes range from 235/40 ZR19, 285/35 ZR19, 245/35 ZR20, 295/30 ZR20, 305/30 ZR20 to 295/35 ZR19. These combinations contribute to optimal grip, cornering stability, and ride comfort, tailored for different performance profiles of the 911 Cabriolet.

Yes, the Porsche 911 Cabriolet (991), with its length around 4.5 meters (about 14.8 feet), width under 1.9 meters (approximately 6.2 feet), and height just over 1.29 meters (around 4.2 feet), fits comfortably into standard residential garages. Most typical garages measure about 2.4 to 2.7 meters (8 to 9 feet) wide and at least 4.8 to 6 meters (16 to 20 feet) deep, so parking the 911 Cabriolet should be convenient without risking door dings or tight squeezes.

Compared to its predecessor, the 997 Cabriolet, the 991 generation Porsche 911 Cabriolet is slightly larger in almost all dimensions. The 991 typically shows a modest increase in length and width, providing more interior space and improved stability without compromising the iconic sports car proportions. The height remains fairly consistent. These changes improve cabin comfort and driving dynamics over the 997.

When compared to similar high-performance sports convertibles such as the Audi R8 Spyder, Mercedes-AMG GT Roadster, and BMW M4 Convertible, the Porsche 911 Cabriolet (991) tends to be more compact, especially in length and height, yet it often offers higher agility and easier maneuverability. While rivals might have slightly wider or longer dimensions in some cases, the 911's design optimizes its footprint to combine sporty dynamics with everyday practicality.

The interior of the Porsche 911 Cabriolet (991) focuses on driver-oriented ergonomics combined with comfortable space for the front occupant and a compact rear seating area. The slightly larger exterior dimensions compared to the previous generation allow for improved shoulder room and legroom, though the rear seats remain best suited for small adults or children. Cabin space efficiently balances sportiness with usability in a convertible form.

The 991 Cabriolet marked a significant update over previous generations by implementing a more rigid chassis, advanced adaptive suspension systems, and a lighter body structure due to increased use of aluminum. This translated into better handling, enhanced ride comfort, and improved fuel efficiency. The convertible roof mechanism also became more compact and faster, allowing the car to maintain its iconic silhouette while offering the thrill of open-air driving.