2021 head-to-head · Midsize Car
2021 Honda Clarity Plug-in Hybrid vs Toyota Prius Prime
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 1.5L 4-cyl · CVT · 110 MPGe + 42 MPG
FWD · 1.8L 4-cyl · CVT · 133 MPGe + 54 MPG
The 2021 Toyota Prius Prime is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $763 a year to fuel (133 MPGe + 54 MPG), versus $910 for the 2021 Honda Clarity Plug-in Hybrid (110 MPGe + 42 MPG). That's roughly $147 a year, or about $735 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Honda Clarity Plug-in Hybrid
- Toyota Prius Prime
Side by side
| Honda Clarity Plug-in Hybrid | Toyota Prius Prime | |
|---|---|---|
| $910 | Your annual fuel cost | $763 |
| 110 MPGe + 42 MPG | Combined efficiency | 133 MPGe + 54 MPG |
| 117 MPGe / 44 MPG | City | 145 MPGe / 55 MPG |
| 102 MPGe / 40 MPG | Highway | 121 MPGe / 53 MPG |
| 31 kWh | Electricity use (kWh/100 mi) | 25 kWh |
| 340 mi | Driving range | 640 mi |
| 48 mi | All-electric range | 25 mi |
| 102 cu ft | Passenger volume | 91 cu ft |
| 16 cu ft | Cargo volume | 20 cu ft |
| 57 g/mi | Tailpipe CO₂ (g/mi) | 78 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 2.2 hrs | Charge time at 240V | 2 hrs |
| Plug-in hybrid | Powertrain | Plug-in hybrid |
| Regular gas + electricity | Fuel | Regular gas + electricity |
| 1.5L 4-cyl | Engine / motor | 1.8L 4-cyl |
| CVT | Transmission | CVT |
| FWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Honda Clarity Plug-in Hybrid vs Toyota Prius Prime across model years
- Honda Clarity Plug-in Hybrid
- Toyota Prius Prime
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Toyota Prius Prime goes farther between stops: about 640 miles on a full tank and charge, compared with 340 miles for the Honda Clarity Plug-in Hybrid.
Per EPA interior volume figures, the Honda Clarity Plug-in Hybrid has more passenger space (102 vs. 91 cu ft); the Toyota Prius Prime has more cargo space (20 vs. 16 cu ft).
Among 54 2021 midsize cars, the Honda Clarity Plug-in Hybrid ranks 9th and the Toyota Prius Prime 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Honda Clarity Plug-in Hybrid or the 2021 Toyota Prius Prime?
Measured by cost to drive, the Toyota Prius Prime. The Honda Clarity Plug-in Hybrid is rated 110 MPGe + 42 MPG combined and the Toyota Prius Prime 133 MPGe + 54 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Honda Clarity Plug-in Hybrid vs. the Toyota Prius Prime per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, about $910 for the Honda Clarity Plug-in Hybrid and $763 for the Toyota Prius Prime.
Which has more range?
The Toyota Prius Prime: about 640 miles versus 340 miles.
Which has more cargo space?
The Toyota Prius Prime, with 20 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).
Honda Clarity Plug-in Hybrid vs Toyota Prius Prime in other years
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