The 2021 Hyundai Nexo has a combined fuel economy rating of 57 MPG. This is exceptional, because the Nexo isn’t a hybrid or plug-in hybrid. It’s a fuel cell electric vehicle (FCEV), which runs on hydrogen, producing only water as emissions. This outstanding efficiency makes the Nexo a good choice for buyers in California (where hydrogen infrastructure is most developed) who want zero-emission driving and understand the specific refueling needs for hydrogen-powered vehicles.

City and highway performance

The 2021 Nexo achieves 59 MPG in the city and 54 MPG on the highway, according to EPA estimates. The small difference between city and highway ratings is characteristic of electric drivetrains, which are effective in stop-and-go conditions because of regenerative braking. This consistency in fuel economy is a benefit for Nexo drivers, reducing range anxiety regardless of their typical driving environment. It reflects the car’s ability to recapture energy during deceleration, maximizing hydrogen in cities.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2021 Hyundai Nexo at $921. This is based on driving 15,000 miles per year, with a fuel price based on the national average price for hydrogen fuel. Hydrogen prices can fluctuate and vary significantly by region, particularly in California, where the Nexo is especially common, but this $921 figure provides a benchmark for comparing the Nexo’s running costs to those of gasoline-powered vehicles and even some electric vehicles, especially when considering current electricity prices.

Real-world expectations

EPA estimates provide a baseline, but real-world fuel economy can vary. Factors like driving style, climate control use, terrain, and temperature will all play a role. Nexo drivers who want gentle acceleration, minimize heating and air conditioning, drive on flat roads are more likely to achieve or exceed the EPA estimates. Aggressive driving, frequent climate control, and hilly terrain can reduce range and increase hydrogen consumption, so consider this when planning longer drives.

How it compares

The Nexo’s fuel economy stands out compared to other zero-emission vehicles. The Toyota Mirai, a direct competitor as another hydrogen fuel cell vehicle, has a similar 60 MPG combined. Comparing the Nexo to battery electric vehicles (BEVs) is more complex, as BEVs are measured in miles per gallon equivalent (MPGe). A vehicle like the Hyundai Kona Electric achieves 120 MPGe combined. So, for all Hyundai fuel economy data, the difference highlights the distinct energy sources and measurement scales. While the Nexo may not have the highest MPGe, its advantage is its quick refueling time (around 5 minutes) compared to electric vehicle charging times. You can also view the NEXO MPG across all years for a broader perspective.

Tips to maximize efficiency

Gentle acceleration and braking are important. Like all electric vehicles, the Nexo benefits from smooth driving. Avoid sudden bursts of speed and anticipate traffic to maximize regenerative braking. This will extend your range and reduce hydrogen consumption, and reduce your footprint.

Precondition the cabin while plugged in. When possible, use the climate control system to heat or cool the cabin while the Nexo is connected to a hydrogen fueling station. This draws power from the grid instead of the fuel cell, saving your hydrogen and extending your range. Preconditioning can improve efficiency, especially in extreme temperatures.

Minimize accessory use. Heated seats, lights, and the infotainment system draw power, slightly reducing overall efficiency. While these features are not as energy-intensive as in a gasoline-powered car, being mindful of their use can lead to small improvements in range. Consider being selective, especially on longer journeys.

Maintain optimal tire pressure. Properly inflated tires reduce rolling resistance, allowing the Nexo to move efficiently. Check your tire pressure regularly and inflate them to the levels specified on the door jamb sticker. This simple maintenance task can improve fuel economy and extend tire life.

Plan your routes. Because hydrogen fueling stations are still limited to California, careful route planning is critical. Use apps and resources to identify fueling locations along your routes. Factor in potential detours and consider the hydrogen availability at each station to avoid range anxiety. This proactive approach ensures a stress-free driving experience.