Porsche Cayman S MPG by year — every rating on record

The Porsche Cayman S has a combined EPA fuel economy rating for 14 model years, from 2006 to 2020. Across those years its best rated version returned 24 mpg (2014) and its thirstiest returned 21 mpg (2006). The EPA record holds 28 configurations for this nameplate, most recently a Two Seaters.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Porsche Cayman S placed highest in 2009 at #10 of 41, and lowest in 2015 at #22 of 60. It spent 14 of its 14 ranked years in the top half of its class.

Every configuration on record

All 28 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 2 of 3 year-over-year steps improved the top rating.

What Cayman S fuel costs over a year

At the EPA's 11,500 miles a year, the 2020 Porsche Cayman S burns 523 to 548 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.

EPA’s own estimate for the 2020 model year is $3,500 to $3,700 a year in fuel, or $7,250 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 22 mpg the Porsche Cayman S is 4 mpg better the median, which is worth about $407 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.