With a combined fuel economy of 65 MPG, the 2023 Toyota Mirai Limited doesn’t sip gasoline; it’s using hydrogen to generate electricity, emitting only water vapor. This figure isn’t about saving at the pump alone, it’s about sustainable technology, forward-thinking design, and minimizing your carbon footprint. The Mirai Limited appeals to a specific buyer, one often residing in California where hydrogen refueling infrastructure is more readily available, and one who prioritizes lower fuel costs alongside luxury and innovation.

City and highway performance

The EPA estimates the Mirai Limited achieves 67 MPG in the city and 64 MPG on the highway. This small difference reflects the efficiency of the electric powertrain and regenerative braking system, which recover energy more effectively in stop-and-go city driving. Highway driving involves less regenerative braking, but the motor still operates efficiently at cruising speeds. This consistency shows the Mirai Limited’s ability to deliver predictable and eco-conscious performance whether navigating urban landscapes or cruising down the open road. Keep in mind that these figures are also influenced by driving style and ambient temperature, potentially impacting real-world results.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Toyota Mirai Limited at exactly $808. This calculation is based on driving 15,000 miles per year and using the national average hydrogen fuel price at the time of testing. Hydrogen fuel prices can fluctuate significantly depending on location and station, but this figure provides a baseline for understanding the Mirai’s operating costs. Fueling costs certainly play a big role, and because hydrogen prices do vary, the $808 figure can easily double depending on usage. This cost, while appealing compared to premium gasoline vehicles, it is a supplementary benefit to Mirai ownership. Access all Toyota fuel economy data here.

Real-world expectations

EPA estimates are a useful benchmark, but real-world fuel economy can vary. Factors such as driving style, climate control usage, terrain, and even tire pressure can influence the Mirai Limited’s efficiency. Aggressive acceleration, prolonged high-speed driving, and extreme weather conditions can all lead to a decrease in fuel economy.

Conversely, smooth acceleration, consistent speeds, and moderate climate control settings can help you achieve or even exceed the EPA estimates. The key is understanding the vehicle’s operating characteristics and adapting your driving habits. This often means gentle throttle application and anticipating traffic flow to minimize braking.

How it compares

The Mirai Limited competes in a unique segment, with limited direct competitors. The Hyundai Nexo, another hydrogen fuel cell vehicle, achieves approximately 59 MPG combined. Compared to traditional gasoline vehicles, even hybrids, the Mirai offers a distinct advantage in terms of emissions. Compare it to a Lexus ES 300h, a mainstream hybrid, which manages around 44 MPG combined. While it offers similar levels of luxury, it still requires gasoline. A buyer shopping for a Lexus prioritizes traditional hybrid technology and less experimental fueling methods compared to the hydrogen refueling required by the Mirai.

Tips to maximize efficiency

Gentle acceleration is key to maximizing the Mirai Limited’s fuel economy. Avoid sudden starts and stops, as these actions consume more energy. Smooth, progressive acceleration allows the electric motor to operate at its most efficient range, conserving hydrogen. Anticipating traffic flow and maintaining a consistent speed will also contribute to better fuel economy.

Proper tire inflation plays a critical role in efficiency. Check your tire pressure regularly and ensure it matches the recommended levels specified on the driver’s side doorjamb. Underinflated tires increase rolling resistance, requiring more energy to propel the vehicle. Maintaining the correct tire pressure not only improves fuel economy but also enhances safety and tire longevity.

Minimize the use of energy-intensive accessories, such as air conditioning and heating. While these systems provide comfort, they can significantly impact fuel economy. Use them judiciously, especially during extreme weather conditions. Consider using seat heaters or ventilation systems as alternatives to climate control, as these consume less energy. Driving with the windows down at highway speeds also increases drag, impacting fuel efficiency.

Take advantage of regenerative braking. The Mirai Limited’s regenerative braking system captures energy during deceleration and uses it to recharge the hydrogen fuel cell. By anticipating stops and gently releasing the accelerator, you can maximize the amount of energy recovered, effectively increasing your driving range. Avoid abrupt braking whenever possible to optimize the system’s performance.

Plan your routes strategically. Opt for routes with fewer stop-and-go conditions and lower speed limits whenever possible. Maintaining a consistent speed optimizes fuel economy, while frequent acceleration and deceleration deplete the hydrogen fuel supply more quickly. This is especially crucial, as hydrogen fuel stations are not as ubiquitous as gasoline stations. See MIRAI MPG across all years to learn more.