Infiniti Q50a MPG by year — every rating on record
The Infiniti Q50a has a combined EPA fuel economy rating for 2 model years, from 2014 to 2015. Across those years its best rated version returned 23 mpg (2014) and its thirstiest returned 22 mpg (2014). The EPA record holds 4 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2014 | 2 | 23 mpg | 22 mpg | #75 of 107 (30th pct) | Rear-Wheel Drive, All-Wheel Drive | Premium | Midsize Cars |
| 2015 | 2 | 23 mpg | 22 mpg | #69 of 101 (32th pct) | Rear-Wheel Drive, All-Wheel Drive | Premium | Midsize Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Infiniti Q50a placed highest in 2015 at #69 of 101, and lowest in 2014 at #75 of 107. It spent 0 of its 2 ranked years in the top half of its class.
Every configuration on record
All 4 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 3.7L 6-cyl All-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 411 | 5/10 |
| 2015 | 3.7L 6-cyl Rear-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 20 | 29 | 23 | 500.0 | 12.9 | $3,350 | 384 | 5/10 |
| 2014 | 3.7L 6-cyl All-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 411 | 5/10 |
| 2014 | 3.7L 6-cyl Rear-Wheel Drive Automatic (S7) Premium | 3.7L 6-cyl | 20 | 29 | 23 | 500.0 | 12.9 | $3,350 | 384 | 6/10 |
What Q50a fuel costs over a year
At the EPA's 11,500 miles a year, the 2015 Infiniti Q50a burns 500 to 523 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,500 | $1,568 | $68 |
| $3.50/gal | $1,750 | $1,830 | $80 |
| $4.00/gal | $2,000 | $2,091 | $91 |
EPA’s own estimate for the 2015 model year is $3,350 to $3,500 a year in fuel, or $5,500 more than the average new vehicle over five years.
How it compares with other Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 23 mpg the Infiniti Q50a is 2 mpg below the median, which is worth about $140 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Infiniti nameplates
Every Infiniti model compared → — all nameplates ranked by best combined rating, with what each one costs a year.