2018 Porsche Cayman Gts
22MPG
Combined
2
Trims
Updated February 27, 2026
Looking at the 2018 Porsche Cayman Gts? This Sports Car offers 21–22 combined MPG depending on trim and comes with 2 available configurations. We break down the specs, safety data, and how it compares to the competition.
2018 Porsche Cayman Gts Specifications
| Spec | Value |
|---|---|
| Combined MPG | 21–22 combined MPG depending on trim |
| City MPG | 20 |
| Highway MPG | 26 |
| Body Style | Sports Car |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 2 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| Man | 19/25/21 | 2.5L 4cyl | Manual 6-spd |
| 4 cyl | 20/26/22 | 2.5L 4cyl | Automatic (AM-S7) |
Annual Fuel Cost
Based on EPA estimates, the 2018 Porsche Cayman Gts costs approximately $2,725 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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