2017 Porsche 911 (991 II) Dimensions, Size & Specs

Production
Model Year:2017
Production Years:2015 - 2019 discontinued in 2019
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
4499 - 4562 mm177.1 - 179.6 in14.8 - 15.0 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
4499 - 4562 mm177.1 - 179.6 in14.8 - 15.0 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
1978 mm77.9 in6.5 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
1978 mm77.9 in6.5 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
4499 - 4562 mm177.1 - 179.6 in14.8 - 15.0 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
1978 mm77.9 in6.5 ft
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
1978 mm77.9 in6.5 ft
Length
4499 - 4562 mm177.1 - 179.6 in14.8 - 15.0 ft
Width
1978 mm77.9 in6.5 ft
Height
1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
Trunk Capacity
115 - 145 liter4.1 - 5.1 cu ft
Technical Details

Exterior Dimensions

Precise measurements of the 2017 Porsche 911, engineered for optimal performance and comfort

Dimensions
Length:4499 - 4562 mm177.1 - 179.6 in14.8 - 15.0 ft
Width:1808 - 1880 mm71.2 - 74.0 in5.9 - 6.2 ft
Width (Folded Mirrors):1978 mm77.9 in6.5 ft
Width (Opened Mirrors):1978 mm77.9 in6.5 ft
Height:1271 - 1302 mm50.0 - 51.3 in4.2 - 4.3 ft
Ground Clearance:88 mm3.5 in0.3 ft
Trunk Capacity:115 - 145 liter4.1 - 5.1 cu ft
Trunk Capacity (Max):260 - 385 liter9.2 - 13.6 cu ft
Weight Specifications
Curb Weight:1413 - 1600 kg3115 - 3527 lbs
Maximal permitted Weight:1760 - 2010 kg3880 - 4431 lbs
Tire Specifications
Rims Sizes:8.5J x 20, 11.5J x 20, 8.5J x 19, 11.5J x 19, 9J x 20, 12J x 20, 9.5J x 20, 12.5J x 21, 20
Tire Sizes:245/35 ZR 20 (W:245 | H:35 | D:20)
305/30 ZR 20 (W:305 | H:30 | D:20)
235/40 ZR19 (W:235 | H:40 | D:19)
295/35 ZR19 (W:295 | H:35 | D:19)
245/35 ZR20 (W:245 | H:35 | D:20)
305/30 ZR20 (W:305 | H:30 | D:20)
265/35 ZR 20 (W:265 | H:35 | D:20)
325/30 ZR 21 (W:325 | H:30 | D:21)
245/35 R20 (W:245 | H:35 | D:20)
305/30 R20 (W:305 | H:30 | D:20)
Useful Information

About 2017 Porsche 911

The Porsche 911 (991 II), produced between 2015 and 2019 with model years starting from 2017, represents a refined and technologically advanced iteration of the iconic 911 sports coupe. This generation of the 911 offers a blend of timeless design and enhanced performance, with dimensions reflecting both aerodynamic efficiency and sporty proportions.

The overall length ranges from 4499 mm to 4562 mm (177.0 to 179.6 inches), allowing for a sleek silhouette that reduces drag while maintaining ample cabin space. Its width, inclusive of both folded and extended mirrors, measures up to 1978 mm (77.9 inches), with the body width itself falling between 1808 mm and 1880 mm (71.1 to 74.0 inches). The height of the 991 II stands between 1271 mm and 1302 mm (50.0 to 51.3 inches), emphasizing the low, aggressive stance characteristic of a high-performance coupe.

In terms of weight, the curb weight varies from 1413 kg to 1600 kg (3116 to 3527 lbs), depending on model variants and equipment levels, with maximum weights extending up to 2010 kg (4432 lbs). This balance of lightweight construction and strength contributes to the 911’s renowned handling and agility.

The 911 (991 II) provides practical luggage capacity for a sports car; the trunk offers 115 to 145 liters (4.1 to 5.1 cubic feet) of space. Folding the rear seats expands cargo volume significantly, between 260 and 385 liters (9.2 to 13.6 cubic feet), ideal for extended trips or increased gear.

Ground clearance is set at a low 88 mm (3.5 inches), optimizing aerodynamic efficiency and road-hugging performance. The variety of wheel rim sizes fitted range from 8.5J x 19 inches up to 12.5J x 21 inches, combined with high-performance tires from 235/40 ZR19 up to 325/30 ZR21. These configurations assist in delivering the exceptional grip and responsive handling expected from a Porsche 911.

Overall, the Porsche 911 (991 II) coupe combines signature styling with advanced engineering, making it a top choice for enthusiasts seeking performance, agility, and everyday usability in a luxury sports car.

Exceptional Features

2017 Porsche 911 Highlights

Discover the standout features that make the 2017 Porsche 911 a leader in its class

Engine Performance

The 2017 Porsche 911 (991 II) is equipped with a 3.0-liter twin-turbocharged flat-six engine, delivering between 370 to 520 horsepower depending on the variant, providing powerful acceleration and sporty driving dynamics.

Transmission Options

Offers a 7-speed manual transmission for driving enthusiasts and a smooth 7-speed PDK dual-clutch automatic transmission for quick and seamless gear changes.

Exterior Design

Features a sleek, aerodynamic body with signature Porsche styling cues including distinctive headlights, wide rear stance, and a modernized silhouette that enhances performance and aesthetics.

Interior and Technology

Includes a refined cabin with high-quality materials, advanced infotainment system with touchscreen display, and driver assistance features such as adaptive cruise control and parking sensors.

Chassis and Suspension

Incorporates a lightweight chassis with adaptive suspension options like Porsche Active Suspension Management (PASM), improving handling, ride comfort, and overall driving experience.
Frequently Asked Questions

FAQ

Have a question? Please check our knowledgebase first.

The Porsche 911 (991 II) Coupe, produced between 2015 and 2019, has an overall length ranging from 4499 mm to 4562 mm, which is approximately 177.0 to 179.7 inches. This range depends on the specific variant and model year within the 991 II generation. The length plays an important role in parking ease and maneuverability while driving, reflecting the car’s design balance between sportiness and usability.

The width of the Porsche 911 (991 II) Coupe varies from 1808 mm to 1880 mm (71.1 to 74.0 inches) excluding mirrors. When considering the mirrors, both folded and opened mirror widths are the same at 1978 mm (77.9 inches). This dimension is crucial in understanding how much space the car occupies on the road and in garages, especially when mirrors are extended during driving.

The Porsche 911 (991 II) Coupe stands between 1271 mm and 1302 mm tall, which translates to approximately 50.0 to 51.3 inches. This relatively low height contributes to the car’s aerodynamic profile and sporty driving dynamics, lowering the center of gravity for better handling. Additionally, its low height enables comfortable parking in standard garages with typical clearance heights, making it practical for everyday use.

The curb weight of the Porsche 911 (991 II) Coupe spans from 1413 kg to 1600 kg (3116 to 3527 lbs). Lighter curb weight enhances handling agility, acceleration, and fuel efficiency, while heavier variants might offer additional luxury features or all-wheel-drive systems. This weight range strikes a balance between performance and comfort, maintaining the 911's revered driving excellence.

The Porsche 911 (991 II) Coupe has a maximum weight capacity ranging between 1760 kg and 2010 kg, equivalent to roughly 3881 to 4431 lbs. This figure includes the vehicle's curb weight plus passengers, cargo, and any additional load. It’s important for maintaining safety, performance, and handling characteristics, ensuring the car operates within its optimal design limits.

With the rear seats in use, the Porsche 911 (991 II) Coupe offers between 115 and 145 liters (approximately 4.1 to 5.1 cubic feet) of luggage capacity. Folding the rear seats expands this space significantly, increasing capacity to between 260 and 385 liters (around 9.2 to 13.6 cubic feet). Despite being a sports coupe, this flexibility provides practical utility for carrying luggage on trips or daily errands.

Yes, the Porsche 911 (991 II) Coupe comfortably fits into a standard home garage. The car’s dimensions—with a width including mirrors of 1978 mm (77.9 inches) and a height up to 1302 mm (51.3 inches)—fall well within typical residential garage capacities. This makes the 911 (991 II) convenient for homeowners who require a high-performance sports car without sacrificing daily usability and garage storage compatibility.

The Porsche 911 (991 II) generation is slightly larger overall compared to the 991 I. The 991 II features an increased length (up to 4562 mm vs. slightly less for the predecessor) and slightly wider body dimensions, enhancing interior space and stability without compromising the iconic 911 silhouette. These subtle size adjustments improve both driver and passenger comfort as well as handling precision, underlining Porsche’s commitment to evolution rather than revolution in design.

Compared to similar sports cars from its production period, such as the Audi R8 or Jaguar F-Type, the Porsche 911 (991 II) Coupe tends to be more compact in both length and height but slightly wider, especially with mirrors included. This size contributes to its reputation for nimbleness and excellent handling on tight roads and tracks. Its sleek design balances sports car aesthetics with everyday usability better than some competitors, offering a unique blend of performance and practicality.

The Porsche 911 (991 II) Coupe uses a variety of tire and rim sizes depending on the model variant. Rim sizes range from 8.5J x 19 inches up to 12.5J x 21 inches, and tires include options such as 245/35 ZR 20, 305/30 ZR 20, and 325/30 ZR 21 among others. Larger rims and wider tires enhance grip and cornering capability, directly influencing the car’s performance, handling precision, and ride comfort. These sizes also help in managing the power output effectively and contribute to the distinctive sporty stance of the vehicle.

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