GMC Acadia vs Infiniti QX80
The GMC Acadia 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 $1,750 less per year to fuel.
Across 5 measured categories, the GMC Acadia leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
GMC Acadia
Standard Sport Utility Vehicle 2WD · 44 configurations
2015–2027
Infiniti QX80
Standard Sport Utility Vehicle 4WD · 30 configurations
Head-to-head specifications
| Metric | GMC Acadia | Infiniti QX80 |
|---|---|---|
| Best combined MPG | 25 mpg ✓ | 18 mpg |
| Best city MPG | 22 mpg ✓ | 16 mpg |
| Best highway MPG | 29 mpg ✓ | 20 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,450 ✓ | $4,200 |
| Lowest CO2 output | 349 g/mi ✓ | 504 g/mi |
| Engines offered | SIDI | SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight |
| Transmissions | Automatic 8-spd, Automatic 9-spd, Automatic 6-spd | Automatic (S9), Automatic (S7) |
| Drivetrains | All-Wheel Drive, Front-Wheel Drive | 4-Wheel Drive, Rear-Wheel Drive |
| Fuel types | Regular | Premium |
| EPA class | Standard Sport Utility Vehicle 2WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2015–2027 |
| Configurations on record | 44 | 30 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Acadia vs QX80: common questions
Which is better on gas, the GMC Acadia or the Infiniti QX80?
The GMC Acadia 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 $1,750 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the GMC Acadia runs about $2,450 a year in fuel at its most efficient configuration, versus about $4,200 for the Infiniti QX80 — a difference of roughly $1,750 per year.
What engines do the Acadia and QX80 offer?
GMC Acadia: SIDI. Infiniti QX80: SIDI, SIDI; MDPV, SIDI; MDPV (Curb Weight >6000 lbs), SIDI; Over 6000 lbs curb weight.
Are they in the same vehicle class?
The EPA classifies the GMC Acadia as Standard Sport Utility Vehicle 2WD and the Infiniti QX80 as Standard Sport Utility Vehicle 4WD, so they aren't a like-for-like match on size.
More Acadia comparisons
Comparison id: gmc-acadia-vs-infiniti-qx80