2017 Toyota Mirai MPG & Specs — Real Fuel Cost
Quick answer
The 2017 Toyota Mirai gets an EPA-estimated 67/67 MPG (city/highway) and 67 MPG combined.
The 2017 Toyota Mirai with the listed hydrogen engine returns an EPA-estimated 67 MPG in the city and 67 MPG on the highway, for a combined 67 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | — |
| Transmission | Automatic (variable gear ratios) |
| Drive | Front-Wheel Drive |
| Fuel type | Hydrogen |
| Vehicle class | Subcompact Cars |
| MPG — city | 67 |
| MPG — highway | 67 |
| MPG — combined | 67 |
| Annual fuel cost* | — |
| CO₂ tailpipe | — |
| EPA GHG score | 10/10 |
| Electric range | 312 mi |
How efficient is it?
With a combined 67 MPG, the 2017 Toyota Mirai sits in the exceptional range for fuel economy. That is about 183% better than the typical Subcompact Cars of its era (24 MPG class average), making it one of the more efficient choices in its class.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.