65 MPG combined might sound like a typo in a world of gasoline-powered cars, but for the 2021 Toyota Mirai Limited, it shows the potential of hydrogen fuel cell technology. This isn’t just about efficiency; it achieves zero tailpipe emissions. The Mirai attracts a specific type of buyer: one who prioritizes cutting-edge technology, environmental responsibility, and is willing to embrace a still-developing infrastructure. They aren’t simply looking for cheap transportation. They’re making a statement.

City and highway performance

The 2021 Mirai Limited excels in both city and highway driving, with an EPA rating of 67 MPG in the city and 64 MPG on the highway. This near-identical performance highlights the consistent efficiency of the fuel cell powertrain, regardless of driving conditions. Frequent acceleration and deceleration in city traffic don’t negatively impact the Mirai’s efficiency as much as they do with traditional combustion engines. Similarly, maintaining consistent speeds on the highway allows the fuel cell to operate at its most efficient level. This consistency is a major advantage for drivers who split their time between urban commutes and longer road trips.

Annual Fuel Cost

The EPA estimates the annual fuel cost for the 2021 Toyota Mirai Limited at $808. This figure is calculated based on driving 15,000 miles per year and using the national average cost of hydrogen fuel. While hydrogen prices can fluctuate considerably depending on location and availability, this provides a useful benchmark for potential owners. It also underscores a significant point about the Mirai: while the initial purchase price may be higher than some comparable vehicles, the long-term cost of fueling the car can be remarkably low, particularly in regions with incentives for hydrogen vehicle ownership.

Real-World Expectations

While the EPA estimates provide a solid baseline, remember that real-world fuel economy can vary depending on several factors. Driving style, weather conditions, and even the use of accessories like air conditioning can all impact the MIRAI MPG across all years. However, the inherent efficiency of the fuel cell powertrain means that even under less-than-ideal conditions, the Mirai will likely deliver impressive mileage compared to gasoline-powered alternatives. The weight of the car itself, typical passenger and cargo load, and tire condition all play a role.

How it compares

Direct fuel economy comparisons with gasoline cars are somewhat irrelevant for the Mirai, as it operates on an entirely different fuel source. However, consider the broader context. A premium sedan like the BMW 530i achieves around 28 MPG combined, while even a hybrid like the Toyota Avalon Hybrid manages around 44 MPG combined. Both are vastly different powertrains. The Mirai’s significantly higher “MPG equivalent” puts it in a class of its own. The Hyundai Nexo, another hydrogen fuel cell vehicle, achieves a similar EPA rating of 61 MPG combined, so the Toyota does have one direct competitor. These comparisons matter to the Mirai buyer because they demonstrate the tangible benefits of embracing alternative fuel technology. They are not saving money in many cases, but they’re making a choice for the environment and advanced engineering.

Tips to maximize efficiency

Gentle acceleration and braking are key to maximizing the Mirai’s efficiency. Avoid aggressive driving habits, as sudden bursts of speed consume more hydrogen. Smooth and predictable driving will allow the fuel cell to operate more consistently, resulting in better overall mileage.

Proper tire inflation is critical. Check your tire pressure regularly and ensure it meets the manufacturer’s recommended specifications. Underinflated tires create more rolling resistance, which reduces fuel efficiency.

Minimize accessory usage when possible. While the air conditioning and heating systems are relatively efficient, excessive use can still impact your overall mileage. Consider using the seat heaters or ventilation to maintain comfort without relying solely on the climate control system.

Plan your trips strategically. Combining multiple errands into a single trip reduces cold starts, which can be less efficient. Avoiding peak traffic hours can also minimize stop-and-go driving, further improving your fuel economy.

Regular maintenance is vital. Follow the recommended maintenance schedule in your owner’s manual to ensure that all systems are operating optimally. This includes checking the fuel cell stack, cooling system, and other key components. Accessing all Toyota fuel economy data will offer even deeper transparency for buyers.