Jeep Grand Cherokee vs Porsche Cayenne
The Jeep Grand Cherokee is the more efficient of the two: it reaches 25 mpg combined versus 24 mpg for the Porsche Cayenne, a 1 mpg advantage and costs about $650 less per year to fuel.
Across 5 measured categories, the Jeep Grand Cherokee leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2027
Jeep Grand Cherokee
Standard Sport Utility Vehicle 4WD · 87 configurations
2015–2026
Porsche Cayenne
Standard Sport Utility Vehicle 4WD · 97 configurations
Head-to-head specifications
| Metric | Jeep Grand Cherokee | Porsche Cayenne |
|---|---|---|
| Best combined MPG | 25 mpg ✓ | 24 mpg |
| Best city MPG | 23 mpg ✓ | 21 mpg |
| Best highway MPG | 30 mpg ✓ | 29 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,650 ✓ | $3,300 |
| Lowest CO2 output | 177 g/mi | 174 g/mi ✓ |
| Engines offered | SIDI, 3.6, SIDI; PHEV, 5.7 | SIDI, SIDI; PHEV, 4.0, 3.0 |
| Transmissions | Automatic 8-spd | Automatic (S8), Automatic (AM8) |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive, 4-Wheel Drive | All-Wheel Drive |
| Fuel types | Regular, Regular Gas and Electricity, Midgrade | Premium, Premium and Electricity, Premium Gas or Electricity |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2015–2026 |
| Configurations on record | 87 | 97 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Grand Cherokee vs Cayenne: common questions
Which is better on gas, the Jeep Grand Cherokee or the Porsche Cayenne?
The Jeep Grand Cherokee is the more efficient of the two: it reaches 25 mpg combined versus 24 mpg for the Porsche Cayenne, a 1 mpg advantage and costs about $650 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Jeep Grand Cherokee runs about $2,650 a year in fuel at its most efficient configuration, versus about $3,300 for the Porsche Cayenne — a difference of roughly $650 per year.
What engines do the Grand Cherokee and Cayenne offer?
Jeep Grand Cherokee: SIDI, 3.6, SIDI; PHEV, 5.7. Porsche Cayenne: SIDI, SIDI; PHEV, 4.0, 3.0.
Are they in the same vehicle class?
Yes — the EPA classifies both the Jeep Grand Cherokee and the Porsche Cayenne as Standard Sport Utility Vehicle 4WD, so they compete directly.
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Comparison id: jeep-grand-cherokee-vs-porsche-cayenne