65 MPG combined, that’s the headline and the main point for the 2024 Toyota Mirai Limited. It achieves hyper-efficient performance as a zero-emissions vehicle. It prioritizes smooth operation and a distinctive driving experience over extreme practicality. The Mirai buyer isn’t weighing this against a Camry; they’re likely cross-shopping with other EVs and hydrogen fuel-cell vehicles, keenly aware of the compromises and benefits inherent in this technology.

City and highway performance

The EPA estimates for the Mirai Limited place its city performance at 67 MPG and highway at 64 MPG. This near-equal rating underscores the Mirai’s consistent efficiency across various driving conditions. Unlike some battery-electric vehicles that can see a significant range decrease at higher speeds, the hydrogen fuel cell maintains a relatively steady output. The automatic transmission (technically a variable gear ratio system) optimizes power delivery for both stop-and-go traffic and sustained highway cruising. This balanced performance makes the Mirai Limited a versatile vehicle for daily commutes and longer trips, addressing a common anxiety among potential EV adopters who worry about range degradation.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2024 Toyota Mirai Limited is $808. This figure is calculated based on driving 15,000 miles per year and using the national average price of hydrogen. Remember that this figure is highly dependent on hydrogen fuel prices, which can fluctuate considerably depending on your location. Even with these variations, the $808 represents a potentially significant saving compared to even the most fuel-efficient gasoline cars, provided that hydrogen is available and affordable in your area.

Real-world expectations

While the EPA estimates provide a standardized benchmark, real-world MPG for the Mirai Limited can vary based on driving habits, terrain, and weather conditions. Aggressive acceleration and frequent hard braking will reduce efficiency, while smooth, consistent driving will help maximize range. Ambient temperature also plays a role, as colder temperatures can impact the efficiency of the fuel cell system. However, most drivers can achieve close to the EPA-estimated MPG in typical daily driving.

How it compares

Direct comparisons to the Mirai are limited because of the scarcity of hydrogen fuel-cell vehicles. The Hyundai Nexo, another hydrogen fuel-cell SUV, manages around 61 combined MPG. Beyond that, comparisons shift to battery-electric vehicles. A Tesla Model 3 Long Range achieves approximately 131 MPGe combined, while a Chevrolet Bolt typically clocks in around 120 MPGe using EPA’s MPG equivalence rating for EVs. While these EVs offer superior MPGe ratings, the Mirai offers rapid refueling that takes minutes compared to the sometimes long charging times required for BEVs. The Mirai buyer values the convenience of refueling on par with gasoline cars, even though they face limitations on the hydrogen infrastructure available in their location. You can view all Toyota fuel economy data to better understand where the Mirai fits within the brand’s lineup, or research MIRAI MPG across all years.

Tips to maximize efficiency

Gentle acceleration and braking are important for maximizing range. Avoid sudden bursts of speed and anticipate traffic flow to minimize the need for hard stops. Smooth and consistent driving allows the fuel cell system to operate at its most efficient point.

Use the regenerative braking system effectively. The Mirai’s regenerative braking captures energy during deceleration and returns it to the fuel cell system, extending overall range. Learn to modulate the accelerator pedal to maximize regenerative braking without needing to engage the friction brakes unnecessarily.

Pre-condition the vehicle before driving, particularly during cold weather (if equipped). Pre-conditioning warms the fuel cell system and cabin while the vehicle is plugged in (when possible), which can conserve energy during the initial stages of driving. Remote climate control functionality from your smartphone can enable this.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, which reduces fuel efficiency. Check tire pressures regularly and inflate them to the recommended levels specified on the tire placard.

Minimize accessory usage. Running power-hungry accessories such as the air conditioner or heater places additional load on the fuel cell system. Use these features carefully and consider using seat heaters or ventilation instead of relying solely on the climate control system.