2018 Infiniti QX80 MPG
EPA-rated · verified snapshot 2026-08-30 · Standard Sport Utility Vehicle 2WD
The 2018 Infiniti QX80 gets 16 MPG combined — 14 city and 20 highway — in its most efficient configuration (5.6L · 8-cyl · Automatic (S7) · Rear-Wheel Drive).
City14 MPG
Highway20 MPG
$4,750Fuel cost / yr (EPA est.)
547 g/miCO₂
PremiumFuel
$-12,7505-yr fuel cost vs. average vehicle
2 / 10EPA Fuel Economy & GHG score
Where it sits among suvs (2018)
Every 2018 QX80 trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 5.6L · 8-cyl · Automatic (S7) · Rear-Wheel Drive | 14 | 20 | 16 | $4,750 |
| 5.6L · 8-cyl · Automatic (S7) · 4-Wheel Drive | 13 | 19 | 15 | $5,050 |
FAQ
Does the 2018 QX80 get good gas mileage for its class?
The 2018 QX80's 16 MPG combined is below the suvs average of 20.4 MPG for 2018.
How much does it cost to fuel a 2018 QX80 per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $4,750 for the most efficient trim.
What is the city and highway MPG of the 2018 QX80?
The most efficient trim is rated 14 MPG city and 20 MPG highway.