Porsche Cayenne S MPG by year — every rating on record

The Porsche Cayenne S has a combined EPA fuel economy rating for 24 model years, from 2003 to 2026. Across those years its best rated version returned 20 mpg (2017) and its thirstiest returned 14 mpg (2003). The EPA record holds 24 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 4WD.

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 Cayenne S placed highest in 2003 at #1 of 2, and lowest in 2026 at #160 of 191. It spent 10 of its 24 ranked years in the top half of its class.

Every configuration on record

All 24 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 5 of 7 year-over-year steps improved the top rating.

What Cayenne S fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 Porsche Cayenne S burns 639 to 639 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 2026 model year is $4,300 to $4,300 a year in fuel, or $10,250 more than the average new vehicle over five years.

How it compares with other Standard Sport Utility Vehicle 4WD

Across the 317 nameplates EPA classifies as Standard Sport Utility Vehicle 4WD, the median best combined rating is 22 mpg. At 18 mpg the Porsche Cayenne S is 4 mpg below the median, which is worth about $407 a year at $3.50 a gallon.

• All Standard Sport Utility Vehicle 4WD 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.