Porsche 718 Cayman GT4 MPG by year — every rating on record
The Porsche 718 Cayman GT4 has a combined EPA fuel economy rating for 4 model years, from 2020 to 2023. Across those years its best rated version returned 20 mpg (2021) and its thirstiest returned 19 mpg (2020). The EPA record holds 7 configurations for this nameplate, most recently a Two Seaters.
In the EPA record this nameplate also appears as 718 Cayman GT4 and 718 Spyder. The figures below cover every one of them.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2020 | 1 | 19 mpg | 19 mpg | #27 of 60 (56th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2021 | 2 | 20 mpg | 19 mpg | #18 of 49 (65th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2022 | 2 | 20 mpg | 19 mpg | #13 of 43 (71th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2023 | 2 | 20 mpg | 19 mpg | #14 of 51 (74th pct) | Rear-Wheel Drive | Premium | Two Seaters |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Porsche 718 Cayman GT4 placed highest in 2022 at #13 of 43, and lowest in 2020 at #27 of 60. It spent 4 of its 4 ranked years in the top half of its class.
Every configuration on record
All 7 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | 4.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | SIDI, turbocharged | 17 | 23 | 19 | 605.3 | 15.7 | $4,100 | 462 | 4/10 |
| 2023 | 4.0L 6-cyl Rear-Wheel Drive Automatic (AM-S7) Premium | SIDI, turbocharged | 18 | 24 | 20 | 575.0 | 14.9 | $3,900 | 436 | 4/10 |
| 2022 | 4.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | SIDI | 17 | 23 | 19 | 605.3 | 15.7 | $4,100 | 460 | 4/10 |
| 2022 | 4.0L 6-cyl Rear-Wheel Drive Automatic (AM-S7) Premium | SIDI | 18 | 24 | 20 | 575.0 | 14.9 | $3,900 | 436 | 4/10 |
| 2021 | 4.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | SIDI | 17 | 23 | 19 | 605.3 | 15.7 | $4,100 | 460 | 3/10 |
| 2021 | 4.0L 6-cyl Rear-Wheel Drive Automatic (AM-S7) Premium | SIDI | 18 | 24 | 20 | 575.0 | 14.9 | $3,900 | 436 | 4/10 |
| 2020 | 4.0L 6-cyl Rear-Wheel Drive Manual 6-spd Premium | SIDI | 16 | 23 | 19 | 605.3 | 15.7 | $4,100 | 473 | 3/10 |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2020 → 2021 | 19 → 20 mpg | +1 mpg | 575 gal |
What 718 Cayman GT4 fuel costs over a year
At the EPA's 11,500 miles a year, the 2023 Porsche 718 Cayman GT4 burns 575 to 605 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,725 | $1,816 | $91 |
| $3.50/gal | $2,013 | $2,118 | $106 |
| $4.00/gal | $2,300 | $2,421 | $121 |
EPA’s own estimate for the 2023 model year is $3,900 to $4,100 a year in fuel, or $9,250 more than the average new vehicle over five years.
How it compares with other Two Seaters
Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 20 mpg the Porsche 718 Cayman GT4 is 2 mpg better the median, which is worth about $224 a year at $3.50 a gallon.
- All Two Seaters rankings — every nameplate in the class, best to worst.
Other Porsche nameplates
Every Porsche model compared → — all nameplates ranked by best combined rating, with what each one costs a year.