The 2025 Toyota Mirai XLE gets an impressive 74 MPGe combined, a number that shows its purpose as a fuel cell electric vehicle (FCEV) rather than just another efficient car. This isn’t just about saving money at the pump. It’s about using a new type of powertrain, having zero tailpipe emissions, and a vehicle that shows the future of transportation. The Mirai, especially the XLE trim, attracts drivers who want advanced technology, care about the environment, and seek a unique driving experience over gasoline cars or even battery-electric offerings. These drivers understand the limitations of hydrogen infrastructure and accept them as part of being an early adopter in a new, but growing, market.

City and highway performance

Looking closer at that combined figure, the Mirai XLE delivers an excellent 76 MPGe in city driving and a still-good 71 MPGe on the highway. This slight leaning towards city efficiency is typical of electric powertrains. Here, the absence of an internal combustion engine’s inefficiencies at lower speeds, combined with regenerative braking, allows for good energy recovery. The Mirai doesn’t have the same stop-and-go advantage as a pure battery-electric vehicle because its fuel cell runs continuously. However, the electric motor’s instant torque and the smooth one-speed automatic transmission make urban commutes exceptionally smooth and very economical. On the open road, the Mirai maintains its stability and impressive efficiency. Cruising at highway speeds does not require the high energy use of a traditional gasoline engine, resulting in a consistent and economical driving experience. The driver who chooses the Mirai appreciates this constant efficiency across their various commutes, knowing that no matter the route, they are driving one of the most efficient vehicles on the road, using hydrogen instead of fossil fuels. You can explore MIRAI MPG across all years here.

Annual fuel cost

The EPA estimates the 2025 Toyota Mirai XLE’s annual fuel cost at $709. This figure is based on an average of 15,000 miles driven per year, assuming national average fuel prices. For hydrogen, these prices are still much higher than gasoline for the equivalent energy. It is important to understand that this $709 reflects the unique cost of hydrogen fuel. While it offers excellent MPGe, hydrogen costs more per kilogram than gasoline does per gallon. For the Mirai buyer, this cost is often considered alongside the vehicle’s zero-emissions status and the hydrogen fuel incentives Toyota often includes for a period. These incentives effectively support early adoption and significantly reduce out-of-pocket expenses for the first few years of ownership. This annual fuel cost positions the Mirai as a financially responsible choice, particularly given its environmental benefits and the long-term potential for hydrogen infrastructure growth and price stability.

Real-world expectations

In real-world driving, the 2025 Mirai XLE generally meets or even slightly exceeds its EPA estimates. This shows the consistency of electric powertrains. Unlike gasoline vehicles, which can see big drops in efficiency with aggressive driving or stop-and-go traffic, the Mirai’s fuel cell and electric motor provide a very predictable MPGe. Drivers typically observe strong performance in mixed driving conditions, with the 74 MPGe combined often being an achievable benchmark. The main factor influencing real-world economy isn’t driving style as much as it is ambient temperature. Extremely cold weather can slightly reduce fuel cell efficiency and range, but not as much as some battery-electric vehicles experience range loss. For most owners, the most important real-world consideration isn’t the MPGe itself, but rather the hydrogen refueling infrastructure. While growing, it is still limited compared to gasoline stations, a factor Mirai owners readily accept as part of their commitment to pioneering this technology.

How it compares

Direct comparisons to the Mirai are difficult because of its unique powertrain. However, when looking at other zero-emission or very efficient alternatives, its 74 MPGe stands out. Consider the Tesla Model 3 Long Range AWD, a popular battery-electric sedan, which achieves 132 MPGe combined. While the Tesla has a higher MPGe, the Mirai offers a very different refueling experience: quick, gasoline-like fill-ups versus longer charging times. Against a highly efficient plug-in hybrid like the Toyota Prius Prime SE, which delivers 52 MPGe combined (gasoline only) and 127 MPGe when operating as an EV, the Mirai still holds its own for pure fuel economy without needing a gasoline engine fallback. The Hyundai Nexo Blue, its only direct FCEV competitor, offers 61 MPGe combined. Here, the Mirai’s much higher efficiency is a major difference for those committed to hydrogen. The Mirai XLE buyer isn’t comparing it to a gasoline Camry; they are weighing the details of green technology. They understand that while a pure EV might offer higher MPGe, the Mirai provides a distinct advantage in refueling speed and doesn’t rely on the electric grid for its energy, appealing to a specific group of eco-conscious and tech-forward drivers. For a broader array of comparisons, check out all Toyota fuel economy data.

Tips to maximize efficiency

Maintain consistent speeds on the highway when possible, using the Mirai’s smooth electric power delivery. Avoid sudden acceleration and hard braking, as these actions use more hydrogen and reduce how well regenerative braking works.

Keep your tires properly inflated to the manufacturer’s recommended pressures. Underinflated tires increase rolling resistance, forcing the fuel cell to work harder and reducing overall efficiency. Check pressures regularly, especially before longer trips.

Plan your routes to minimize unnecessary idling and avoid extended periods of stop-and-go traffic. While the Mirai is efficient in the city, maintaining a steady, flowing pace will generally result in better hydrogen consumption numbers.

Use the Mirai’s “Eco” drive mode, which moderates throttle response and optimizes power delivery for maximum efficiency. This mode is particularly useful for everyday commuting and extends your overall driving range.