- Newest year: 2021
- Plug-in hybrid
- Hydrogen
- Midsize cars
- Same as 2020
2017-2021 Honda Clarity MPG & Fuel Cost
5 model years · 42 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026)
Cheaper to fuel than 9 of 10 midsize car configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2017-2021 Honda Clarity at a glance
The 2017-2021 Honda Clarity covers 5 model years in the EPA database (12 configurations in all), rated 42 MPG combined. The newest model year, 2021, costs about $1,040 a year to fuel for its most efficient version, the Plug-in Hybrid 1.5L 4-cyl FWD (42 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). Powertrains over the years: plug-in hybrid, hydrogen and electric. EPA changed the ratings in 2018, 2019 and 2020; 2021 repeat the values of the year before.
2017-2021 Honda Clarity by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2021 | Plug-in hybrid, Hydrogen | 42 MPG, 68 MPGe | $1,040 | Same EPA ratings as 2020 |
| 2020 | Plug-in hybrid, Hydrogen | 42 MPG, 68 MPGe | $1,040 | Ratings changed |
| 2019 | Plug-in hybrid, Electric, Hydrogen | 42 MPG, 68–114 MPGe | $810–$1,040 | Ratings changed |
| 2018 | Plug-in hybrid, Electric, Hydrogen | 42 MPG, 68–114 MPGe | $810–$1,040 | Ratings changed |
| 2017 | Electric, Hydrogen | 68–114 MPGe | $820 | First year |
What the 2021 Plug-in Hybrid 1.5L 4-cyl FWD costs to drive
Per month
$87
$1,040 a year ÷ 12
Per 25 miles
$1.73
Per 100 miles
$6.93
Five years
$5,200
5 × the yearly cost, prices held at today's level
vs the midsize car median
$1,560less a year
Class median $2,600 a year, MY2021
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2021 Honda Clarity MPG
EPA lists the same ratings for the 2021 Honda Clarity as for the 2020 model, so the configurations and costs are the ones in the 2020 section above.See 2020
On electricity 110 MPGe, with 48 miles of electric range.
See plug-in hybrid configurationsNo fuel cost is shown for this fuel.
See hydrogen configurationsPlug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Plug-in Hybrid (Most efficient) | FWD | 42 | 110 | 48 mi | $1,040 |
Cost assumes EPA's utility factor: 73% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
Hydrogen configurations (1)
| Trim | Drive | City | Hwy | Comb. MPGe | Range |
|---|---|---|---|---|---|
| FCV (Most efficient) | FWD | 68 | 67 | 68 | 360 mi |
No fuel cost is shown: EPA and EIA publish no comparable retail price series for hydrogen.
2020 Honda Clarity MPG
42 MPG, 68 MPGe · $1,040/yr
Versus 2019: The most efficient configuration stays at 42 MPG. Its annual cost stays at $1,040.
On electricity 110 MPGe, with 48 miles of electric range.
See plug-in hybrid configurationsNo fuel cost is shown for this fuel.
See hydrogen configurationsPlug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Plug-in Hybrid (Most efficient) | FWD | 42 | 110 | 48 mi | $1,040 |
Cost assumes EPA's utility factor: 73% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
Hydrogen configurations (1)
| Trim | Drive | City | Hwy | Comb. MPGe | Range |
|---|---|---|---|---|---|
| FCV (Most efficient) | FWD | 68 | 67 | 68 | 360 mi |
No fuel cost is shown: EPA and EIA publish no comparable retail price series for hydrogen.
2019 Honda Clarity MPG
42 MPG, 68–114 MPGe · $810–$1,040/yr
Versus 2018: The most efficient configuration stays at 42 MPG. Its annual cost stays at $1,040.
On electricity 110 MPGe, with 48 miles of electric range.
See plug-in hybrid configurationsNo fuel cost is shown for this fuel.
See hydrogen configurationsPlug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Plug-in Hybrid (Most efficient) | FWD | 42 | 110 | 48 mi | $1,040 |
Cost assumes EPA's utility factor: 73% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| EV (Most efficient) | FWD | 30 | 114 | 89 mi | $810 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
Hydrogen configurations (1)
| Trim | Drive | City | Hwy | Comb. MPGe | Range |
|---|---|---|---|---|---|
| FCV (Most efficient) | FWD | 68 | 67 | 68 | 360 mi |
No fuel cost is shown: EPA and EIA publish no comparable retail price series for hydrogen.
2018 Honda Clarity MPG
42 MPG, 68–114 MPGe · $810–$1,040/yr
Versus 2017: Its annual cost goes from $820 to $1,040, $220 more.
On electricity 110 MPGe, with 48 miles of electric range.
See plug-in hybrid configurationsNo fuel cost is shown for this fuel.
See hydrogen configurationsPlug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| Plug-in Hybrid (Most efficient) | FWD | 42 | 110 | 48 mi | $1,040 |
Cost assumes EPA's utility factor: 73% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (regular gasoline $4.36/gal (U.S. average, Sep 2026)).
Electric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| EV (Most efficient) | FWD | 30 | 114 | 89 mi | $810 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
Hydrogen configurations (1)
| Trim | Drive | City | Hwy | Comb. MPGe | Range |
|---|---|---|---|---|---|
| FCV (Most efficient) | FWD | 69 | 67 | 68 | 366 mi |
No fuel cost is shown: EPA and EIA publish no comparable retail price series for hydrogen.
2017 Honda Clarity MPGe
68–114 MPGe · $820/yr
No fuel cost is shown for this fuel.
See hydrogen configurationsElectric configurations (1)
| Trim | Drive | kWh/100 mi | MPGe | Range | $/yr |
|---|---|---|---|---|---|
| EV (Most efficient) | FWD | 30 | 114 | 89 mi | $820 |
MPGe is the distance an electric car travels on 33.7 kWh, the energy in a gallon of gasoline. Fewer kWh per 100 miles means a lower running cost.
Hydrogen configurations (1)
| Trim | Drive | City | Hwy | Comb. MPGe | Range |
|---|---|---|---|---|---|
| FCV (Most efficient) | FWD | 69 | 67 | 68 | 366 mi |
No fuel cost is shown: EPA and EIA publish no comparable retail price series for hydrogen.
Fuel cost by state
Yearly cost of the Plug-in Hybrid 1.5L 4-cyl FWD: $1,710 in California and $800 in Louisiana, a $910 difference.
- California $1,710
- New York $1,430
- Florida $910
- Texas $900
- Louisiana $800
Similar cars
Closest combined MPG among MY2021 midsize car models.
Generations
- 2014
- 2017-2021
Frequently asked questions
What gas mileage does the 2017-2021 Honda Clarity get?
EPA rates the 2017-2021 Honda Clarity at 42 MPG combined across 12 configurations and 5 model years. The most efficient version, the 2021 Plug-in Hybrid 1.5L 4-cyl FWD, is rated 42 MPG (44 city, 40 highway). By powertrain: Plug-in hybrid: 42 MPG; Hydrogen: 68 MPGe; Electric: 114 MPGe.
Which years had the best MPG in the 2017-2021 Honda Clarity?
Every model year of the 2017-2021 Honda Clarity tops out at 42 MPG combined, so no year is better than another.
Did EPA ratings change during the 2017-2021 Honda Clarity?
Yes. Ratings changed in 2018, 2019 and 2020. In 2021 the values repeat the year before.
How much does it cost to fuel a 2021 Honda Clarity per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026), the Plug-in Hybrid 1.5L 4-cyl FWD costs about $1,040 a year. Across all 2 configurations the cost runs $1,040 a year.
How much does it cost to drive a 2021 Honda Clarity 100 miles?
About $6.93 per 100 miles for the Plug-in Hybrid 1.5L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
How does the 2021 Honda Clarity compare with other midsize car configurations?
The Plug-in Hybrid 1.5L 4-cyl FWD costs about $1,040 a year to fuel, $1,560 less than the class median of $2,600, and less than 9 of 10 midsize car configurations. The comparison covers all 149 rated midsize car configurations for MY2021, not weighted by sales.
How far does the 2021 Honda Clarity plug-in hybrid go on electricity?
EPA rates the electric range at 48 miles, with a total range of 340 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 42 MPG. The Plug-in Hybrid 1.5L 4-cyl FWD costs about $1,040 a year, assuming EPA's utility factor of 73% of miles on electricity, at regular gasoline $4.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).
Is the 2021 Honda Clarity different from the 2020 model?
No. EPA lists the same ratings for 2020 and 2021: 2 configurations rated 42 MPG combined. See the 2020 Honda Clarity for that year.
Why is there no fuel cost for the 2021 Honda Clarity hydrogen configurations?
EPA and EIA publish no comparable retail price series for hydrogen fuel, so we list the fuel economy but do not estimate a cost.