Honda Clarity FCV
68 MPG The 2021 Honda Clarity FCV is EPA-rated at 68 MPG combined (68 city / 67 highway). Over 15,000 miles a year that is about 221 gallons, $706 a year in fuel, or $0.047 per mile at $3.20/gal.
Across its full 2017–2021 run it averages 68 MPG, essentially flat across 5 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.037 | $368 | $551 | $735 |
| $3.00/gal | $0.044 | $441 | $662 | $882 |
| $3.20/gal | $0.047 | $471 | $706 | $941 |
| $3.50/gal | $0.051 | $515 | $772 | $1029 |
| $4.00/gal | $0.059 | $588 | $882 | $1176 |
| $4.50/gal | $0.066 | $662 | $993 | $1324 |
| $5.00/gal | $0.074 | $735 | $1103 | $1471 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2021 | 68 MPG | 68 | 67 | — | — | 1 |
| 2020 | 68 MPG | 68 | 67 | — | — | 1 |
| 2019 | 68 MPG | 68 | 67 | — | — | 1 |
| 2018 | 68 MPG | 69 | 67 | — | — | 1 |
| 2017 | 68 MPG | 69 | 67 | — | — | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 261 midsize cars models tracked here, the Honda Clarity FCV ranks 9 on current figures, against a class average of 27.1 MPG.
Closest more-efficient alternatives in the same class: Porsche Taycan Turbo S Cross Turismo (77), Porsche Taycan Turbo Cross Turismo (78), Porsche Taycan 4S Cross Turismo (80), Porsche Taycan 4 Cross Turismo (81), Tesla Model 3 Performance AWD (111).
Questions
What MPG does the Honda Clarity FCV get?
The 2021 Honda Clarity FCV is rated at 68 MPG combined by the EPA — 68 city and 67 highway. Across all 5 model years in the database it averages 68 MPG, ranging from 68 to 68 depending on year and trim.
How much does a Honda Clarity FCV cost in fuel per year?
At 68 MPG and 15,000 miles a year, it burns about 221 gallons — roughly $706 a year with fuel at $3.20 a gallon, or $0.047 per mile. The EPA's own published annual figure for the 2021 model is not listed.
Has the Honda Clarity FCV become more efficient over time?
Barely. It sits at 68 MPG today against 68 in 2017 — essentially flat across 5 model years, with efficiency gains offset by weight and power creep.
Is the Honda Clarity FCV efficient for its class?
It ranks 9 of 261 in the Midsize Cars class on current figures, against a class average of 27.1 MPG. That is 40.9 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.