Jeep Grand Cherokee vs Infiniti QX80
The Jeep Grand Cherokee is the more efficient of the two: it reaches 25 mpg combined versus 18 mpg for the Infiniti QX80, a 7 mpg advantage and costs about $1,550 less per year to fuel.
Across 5 measured categories, the Jeep Grand Cherokee leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
Jeep Grand Cherokee
Standard Sport Utility Vehicle 4WD · 87 configurations
2015–2027
Infiniti QX80
Standard Sport Utility Vehicle 4WD · 30 configurations
Head-to-head specifications
| Metric | Jeep Grand Cherokee | Infiniti QX80 |
|---|---|---|
| Best combined MPG | 25 mpg ✓ | 18 mpg |
| Best city MPG | 23 mpg ✓ | 16 mpg |
| Best highway MPG | 30 mpg ✓ | 20 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,650 ✓ | $4,200 |
| Lowest CO2 output | 177 g/mi ✓ | 504 g/mi |
| Engines offered | SIDI, 3.6, SIDI; PHEV, 5.7 | SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight |
| Transmissions | Automatic 8-spd | Automatic (S9), Automatic (S7) |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive, 4-Wheel Drive | 4-Wheel Drive, Rear-Wheel Drive |
| Fuel types | Regular, Regular Gas and Electricity, Midgrade | Premium |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2015–2027 |
| Configurations on record | 87 | 30 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Grand Cherokee vs QX80: common questions
Which is better on gas, the Jeep Grand Cherokee or the Infiniti QX80?
The Jeep Grand Cherokee is the more efficient of the two: it reaches 25 mpg combined versus 18 mpg for the Infiniti QX80, a 7 mpg advantage and costs about $1,550 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 $4,200 for the Infiniti QX80 — a difference of roughly $1,550 per year.
What engines do the Grand Cherokee and QX80 offer?
Jeep Grand Cherokee: SIDI, 3.6, SIDI; PHEV, 5.7. Infiniti QX80: SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight.
Are they in the same vehicle class?
Yes — the EPA classifies both the Jeep Grand Cherokee and the Infiniti QX80 as Standard Sport Utility Vehicle 4WD, so they compete directly.
More Grand Cherokee comparisons
Comparison id: jeep-grand-cherokee-vs-infiniti-qx80