Quick answer
The 2016 Porsche 918, the latest model year on record, is 183.1″ long, 76.4″ wide and 46.1″ tall on a 107.5″ wheelbase, and weighs 3,693 lb. At 15.3 ft it fits a standard garage and leaves 2.7 ft spare in an 18-foot street space.
Every Porsche 918 generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2014–2016 | 183.1″ | 76.4″ | 46.1″ | 107.5″ | 3,693 lb |
ROWS 1·SOURCE NHTSA vPIC / Transport Canada
918 year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2016 | 183.1″ | 76.4″ | 107.5″ | 1 | |
| 2015 | 183.1″ | 76.4″ | 107.5″ | 1 | |
| 2014 | 183.1″ | 76.4″ | 107.5″ | 1 |
ROWS 3·SOURCE Transport Canada vehicle specifications
Will a 918 fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 15.3 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 15.3 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.4 ft | Room to open doors both sides |
ROWS 3·SOURCE ForCar, computed from vehicle dimensions
Against cars of the same length
Among the 1,121 cars within 10″ of its length, the 918 is wider than 87%.
| Measure | This car | Typical of 1,121 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 76.4″ | 72″ | +4.4″ |
| Wheelbase | 107.5″ | 107.1″ | +0.4″ |
| Curb weight | 3,693 lb | 3,567 lb | +126 lb |
ROWS 3·SOURCE ForCar, computed across vehicles of similar length
918 against its rivals
Next to the Dodge Viper, Ferrari 458 Italia and Ferrari 458 Spider, the 918 is the longest and the heaviest of the four.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Porsche 918 (this car) | 2016 | 183.1″ | 76.4″ | 3,693 lb |
| Dodge Viper | 2017 | 175.6″ | 76.4″ | 3,300 lb |
| Ferrari 458 Italia | 2015 | 178.3″ | 76.4″ | 3,042 lb |
| Ferrari 458 Spider | 2015 | 178.3″ | 76.4″ | 3,384 lb |
ROWS 4·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Frequently asked questions
Is the 2016 918 bigger than the 2015?
No. The 2016 and 2015 918 are the same size and weight.
Which is bigger, the 918 or the Dodge Viper?
The 2017 Dodge Viper is 7.5″ shorter and 393 lb lighter than the 2016 918.
Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 3 918 model years, 2014 to 2016. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
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