Porsche Cayenne GTS Coupe MPG by year — every rating on record
The Porsche Cayenne GTS Coupe has a combined EPA fuel economy rating for 5 model years, from 2021 to 2026. Across those years its best rated version returned 18 mpg (2025) and its thirstiest returned 17 mpg (2021). The EPA record holds 5 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 4WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2021 | 1 | 17 mpg | 17 mpg | #76 of 104 (27th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2022 | 1 | 17 mpg | 17 mpg | #98 of 126 (22th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2023 | 1 | 17 mpg | 17 mpg | #111 of 139 (20th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2025 | 1 | 18 mpg | 18 mpg | #154 of 192 (20th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2026 | 1 | 18 mpg | 18 mpg | #159 of 191 (17th pct) | All-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Porsche Cayenne GTS Coupe placed highest in 2021 at #76 of 104, and lowest in 2026 at #159 of 191. It spent 0 of its 5 ranked years in the top half of its class.
Every configuration on record
All 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.0L 8-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 16 | 22 | 18 | 638.9 | 16.5 | $4,300 | 489 | 3/10 |
| 2025 | 4.0L 8-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 16 | 22 | 18 | 638.9 | 16.5 | $4,300 | 489 | 4/10 |
| 2023 | 4.0L 8-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 15 | 19 | 17 | 676.5 | 17.5 | $4,550 | 525 | 3/10 |
| 2022 | 4.0L 8-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 15 | 19 | 17 | 676.5 | 17.5 | $4,550 | 525 | 3/10 |
| 2021 | 4.0L 8-cyl All-Wheel Drive Automatic (S8) Premium | SIDI, turbocharged, start-stop | 15 | 19 | 17 | 676.5 | 17.5 | $4,550 | 525 | 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 |
|---|---|---|---|
| 2023 → 2025 | 17 → 18 mpg | +1 mpg | 639 gal |
What Cayenne GTS Coupe fuel costs over a year
At the EPA's 11,500 miles a year, the 2026 Porsche Cayenne GTS Coupe 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.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,917 | $1,917 | $0 |
| $3.50/gal | $2,236 | $2,236 | $0 |
| $4.00/gal | $2,556 | $2,556 | $0 |
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 GTS Coupe 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.