Quick answer
The 2026 Porsche 718 Cayman is 172.4″ long, 70.9″ wide and 50.8″ tall on a 97.6″ wheelbase, and weighs 3,058 lb. At 14.4 ft it fits a standard garage and leaves 3.6 ft spare in an 18-foot street space.
Every Porsche 718 Cayman generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2017–2026 | 172.4″ | 70.9″ | 50.8″ | 97.6″ | 2,943 lb |
ROWS 1·SOURCE NHTSA vPIC / Transport Canada
718 Cayman year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2026 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2025 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2024 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2023 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2022 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2021 | 172.4″ | 70.9″ | 97.6″ | 3 | |
| 2020 | 172.4″ | 70.9″ | 97.6″ | 2 | |
| 2019 | 172.4″ | 70.9″ | 97.6″ | 2 | |
| 2018 | 172.4″ | 70.9″ | 97.6″ | 1 | |
| 2017 | 172.4″ | 70.9″ | 97.6″ | 1 |
ROWS 10·SOURCE Transport Canada vehicle specifications
Will a 718 Cayman fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 14.4 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 14.4 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 5.9 ft | Room to open doors both sides |
ROWS 3·SOURCE ForCar, computed from vehicle dimensions
Against cars of the same length
Among the 764 cars within 10″ of its length, the 718 Cayman has a shorter wheelbase than 80%.
| Measure | This car | Typical of 764 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 70.9″ | 70.1″ | +0.8″ |
| Wheelbase | 97.6″ | 102.4″ | −4.8″ |
| Curb weight | 3,058 lb | 3,155 lb | −97 lb |
ROWS 3·SOURCE ForCar, computed across vehicles of similar length
718 Cayman against its rivals
Next to the Aston Martin Vantage, the 718 Cayman is the shortest and the lightest of the two.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Porsche 718 Cayman (this car) | 2026 | 172.4″ | 70.9″ | 3,058 lb |
| Aston Martin Vantage | 2026 | 176.8″ | 78″ | 3,913 lb |
ROWS 2·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Everything on the Porsche 718 Cayman
Frequently asked questions
Is the 2026 718 Cayman bigger than the 2025?
No. The 2026 and 2025 718 Cayman are the same size and weight.
Which is bigger, the 718 Cayman or the Aston Martin Vantage?
The 2026 Aston Martin Vantage is 4.4″ longer and 855 lb heavier than the 2026 718 Cayman.
Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 10 718 Cayman model years, 2017 to 2026. 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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