The 2021 Hyundai Ioniq Plug-in Hybrid gets 52 MPG combined, a number that appeals to buyers focused on fuel efficiency. It’s about reducing environmental impact without giving up the daily usefulness of a compact hatchback. The Ioniq Plug-in delivers a practical, affordable, and fuel-efficient vehicle for commuters looking to save on gas.

City and highway performance

The EPA numbers for the Ioniq Plug-in are consistent across driving conditions. Expect 52 MPG in the city and 51 MPG on the highway, highlighting the hybrid system’s design. The powertrain delivers consistent efficiency whether you’re in stop-and-go traffic or cruising on the highway. While a traditionally powered hatchback’s fuel economy might decrease in city driving, the Ioniq Plug-in uses its electric motor and regenerative braking to maintain good numbers in urban environments. The 1.6L 4-cylinder engine works with the electric motor and automatic transmission for an efficient driving experience.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2021 Hyundai Ioniq Plug-in Hybrid is $850. This is based on driving 15,000 miles per year and using national average fuel prices. Your actual fuel costs may vary depending on your driving and local gas prices, but the $850 estimate shows the Ioniq Plug-in Hybrid’s fuel efficiency and potential savings compared to gasoline vehicles. These savings appeal to Ioniq buyers.

Real-world expectations

EPA numbers are a useful guide, however, real-world fuel economy varies depending on driving, weather, and terrain. Hard acceleration, frequent hard braking, and extended high-speed highway driving can hurt fuel economy. Even with less-than-ideal habits, Ioniq Plug-in drivers often see numbers close to EPA estimates, reflecting the powertrain’s overall efficiency. Drive smoothly and engage the regenerative braking system to get the best gas mileage.

How it compares

The 2021 Hyundai Ioniq Plug-in Hybrid is in a competitive class, but its high MPG helps it stand out. The non-plug-in Hyundai Ioniq Hybrid gets even better fuel economy, around 59 MPG combined, for those who don’t want to plug-in. The Toyota Prius Prime plug-in hybrid achieves 54 MPG combined. The Ioniq’s conventional transmission gives it a different driving feel than the Prius Prime’s CVT. For those needing a larger vehicle, the Honda Clarity Plug-in Hybrid offers more space but achieves 42 MPG combined. The Ioniq balances fuel efficiency, practicality, and affordability, making it a good choice for drivers who want lower fuel costs.

Tips to Maximize Efficiency

Use regenerative braking. The Ioniq Plug-in Hybrid captures energy during deceleration and stores it in the battery. Anticipating stops and slowing down gradually will maximize energy recovery and improve fuel economy.

Plan routes to minimize stop-and-go traffic, especially stoplights. Avoiding traffic will significantly boost efficiency when using electric power.

Limit unnecessary accessories like air conditioning, which decreases fuel economy. Using the seat heaters rather than the cabin heater is more energy-efficient. When possible, park in the shade to keep the cabin cooler without needing the AC as soon as you start the vehicle.

Keep your tires properly inflated to reduce rolling resistance, which can improve fuel economy. Check your tire pressure regularly and inflate them to the recommended pressure listed on the sticker inside the driver’s side doorjamb. It’s an easy way to maximize fuel efficiency.

Consider taking a look at all Hyundai fuel economy data across the whole model range to see if another model suits you better. Be sure to also investigate IONIQ MPG across all years to see if a different model year is more suitable for your needs.