DecodedCars2018 Porsche Cayman
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2018 models.
- Class
- Two Seaters
- Engines
- 2.0L 4-cyl turbo, 2.5L 4-cyl turbo
- Drivetrain
- Rear-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 25 combined · 22 city / 29 hwy
- Length
- –
- Curb weight
- –
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 25 MPG combined — 28% better than the average 2018 two seaters (19.6 MPG).
- No recalls so far
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 5 similar 2018 models — not a review. How we calculate this →
Overview
The 2018 Porsche Cayman is a two seaters offered with 2 engines (2.0L 4-cyl turbo and 2.5L 4-cyl turbo) and rear-wheel drive.
EPA rates its most efficient version at 25 MPG combined (22 city / 29 highway), 28% better than the 2018 two seaters average of 19.6 MPG, for an estimated $3,300 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
There are no recalls or owner complaints on file with NHTSA for this model year.
What changed for 2018
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2017 Cayman — a carry-over year in the data.
Compared with 2017; trim, feature and price changes aren't covered. See the 2017 Cayman →
Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Cayman | 2.0L 4-cyl turbo | Automatic (AM-S7) | Rear-Wheel Drive | 22 / 29 / 25 | +28% | $3,300 | 353 |
| Cayman | 2.0L 4-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 21 / 28 / 24 | +22% | $3,400 | 369 |
| Cayman S | 2.5L 4-cyl turbo | Automatic (AM-S7) | Rear-Wheel Drive | 21 / 28 / 24 | +22% | $3,400 | 372 |
| Cayman S | 2.5L 4-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 20 / 26 / 22 | +12% | $3,750 | 401 |
| Cayman GTS | 2.5L 4-cyl turbo | Automatic (AM-S7) | Rear-Wheel Drive | 20 / 26 / 22 | +12% | $3,750 | 400 |
| Cayman GTS | 2.5L 4-cyl turbo | Manual 6-spd | Rear-Wheel Drive | 19 / 25 / 21 | +7% | $3,900 | 413 |
EPA estimates; "vs. class" is combined MPG against the 2018 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2018 Porsche Cayman.
Similar 2018 two seaterss
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2018 Porsche Cayman (this car) | 25 MPG | Not rated | 0 |
| 2018 Acura NSX | 21 MPG | Not rated | 3 |
| 2018 Porsche Boxster | 25 MPG | Not rated | 0 |
| 2018 Alfa Romeo 4C | 28 MPG | Not rated | 0 |
| 2018 Audi TT Roadster | 26 MPG | Not rated | 1 |
| 2018 Mercedes-Benz SLC-Class | 27 MPG | Not rated | 0 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2018 Porsche Cayman.
Check your VIN for open recalls at NHTSA ↗Not every 2018 Porsche Cayman is affected — only a VIN check confirms your car.
Owner-reported problems
No owner complaints for the 2018 Porsche Cayman in NHTSA's database since 2015.
Used 2018 Porsche Cayman buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2018 Porsche Cayman. Not a substitute for a professional inspection.
Other Cayman years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2020 Cayman | 24 | – | Not rated | 0 | 0 |
| 2019 Cayman | 25 | – | Not rated | 0 | 0 |
| 2017 Cayman | 25 | – | Not rated | 0 | 0 |
| 2016 Cayman | 25 | 172.4 in | Not rated | 0 | 0 |
| 2015 Cayman | 25 | 172.4 in | Not rated | 2 | 4 |
| 2014 Cayman | 25 | 172.4 in | Not rated | 5 | 5 |
| 2012 Cayman | 23 | 171.3 in | Not rated | 1 | 2 |
| 2011 Cayman | 23 | 171.3 in | Not rated | 0 | 4 |
| 2010 Cayman | 24 | 171.3 in | Not rated | 0 | 5 |
| 2009 Cayman | 24 | 171.3 in | Not rated | 0 | 1 |
| 2008 Cayman | 23 | 171.3 in | Not rated | 0 | 0 |
| 2007 Cayman | 23 | 171.3 in | Not rated | 0 | 2 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Porsche. How we calculate this →