Porsche · gas
Porsche Cayenne fuel economy & road trip cost
The Porsche Cayenne (2015–2025) is rated at 21 combined MPG with a 23.7 gallon tank, giving roughly 398 miles between stops once you keep a sensible reserve.
Combined MPG
21
Tank
23.7 gal
Usable range
398 mi
Cost per mile
$0.164
Gas cost per 100 miles in a Porsche Cayenne
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $14.29 | $42.86 | $71.10 |
| $3.50 | $16.67 | $50.00 | $82.95 |
| $4.00 | $19.05 | $57.14 | $94.80 |
| $4.50 | $21.43 | $64.29 | $106.65 |
| $5.00 | $23.81 | $71.43 | $118.50 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a Porsche Cayenne
- Las Vegas to Phoenix · ~$50
- Las Vegas to Los Angeles · ~$44
- Los Angeles to San Francisco · ~$67
- Los Angeles to San Diego · ~$22
- Los Angeles to Las Vegas · ~$44
- San Francisco to Los Angeles · ~$67
- New York to Boston · ~$37
- New York to Washington · ~$39
- New York to Philadelphia · ~$16
- Chicago to Indianapolis · ~$32
- Chicago to Detroit · ~$46
- Chicago to St. Louis · ~$51
Other Porsche models
Fuel figures on this page are modelled estimates built from published EPA combined MPG ratings and curated regional pump-price baselines. They are not live station quotes — always confirm the price at the pump before you travel.