2022 Prius Prime vs. Niro Plug-In Comparison

Plug-in hybrids, like the Prius Prime and Niro Plug-In, are becoming more and more sought after. One reason for their growing popularity is the outstanding fuel efficiency that comes from refueling from an outlet instead of the pump. The 2022 Prius Prime has a combined EPA-estimated 54 MPG rating, and the 2022 Niro Plug-In has an EPA-estimated 46 combined MPG rating.

Both of these plug-ins can help you save on gas, but only the Prius Prime can help you save on luxury. You'll get a lot of great interior upgrades with the Prius Prime XLE, which costs about $3,000 less than the comparable Niro Plug-In EX, which starts at $33,390.

Overall, you'll notice that the Prius Prime and Niro Plug-In have made a lot of customers happy, receiving high marks from Kelley Blue Book® reviewers in various categories.

Find out whether the Prius Prime or Niro Plug-In has the complete plug-in hybrid package for you.

Published Date: 12/13/2021

Closeup of a person charging their Prius Prime


  • Get outstanding gas mileage in the Prius Prime which has a greater combined MPG rating than the Niro Plug-In.
  • Plus, the Prius Prime takes significantly less time to charge on a 120V outlet compared to its competitor.
  • Toyota includes a maintenance plan for the first two years of ownership with ToyotaCare.

Using a combination of gas and electric power, the Prius Prime and Niro Plug-In help you reduce CO2 emissions and save on conventional fuel costs.

Charge Up and Get Going

Impressively, the Prius Prime has an EPA-estimated 55/53/54 (city/highway/combined) MPG rating. The Niro Plug-In's MPG ratings aren't as strong, attaining only a 46 combined MPG when you're in hybrid mode.

When you run out of charge, the Prius Prime can help you get back on the road faster with a charging time of less than 5.5 hours on a 120V outlet. It'll take much longer to recharge with the Niro Plug-In's Level 1 Charging, which takes 8-10 hours to reach a full battery on a 110V outlet.

Regular maintenance is important for a car to run as efficiently as possible. While you'll have to purchase a Kia Care Choice plan for the Niro Plug-In, the Prius Prime has ToyotaCare standard factory-scheduled maintenance plan included for two years or 25,000 miles, whichever comes first.

Interior of Toyota Prius Prime


  • The Prius Prime comes with heated front seats unlike the Niro Plug-In.
  • You can upgrade your Prius Prime XLE to include Premium Audio with Integrated Navigation for less than the comparable Niro Plug-In EX Premium.
  • Keep your valuables hidden with the Prius Prime's standard cargo cover.

You won't have to break the bank to get the interior features you want in the Prius Prime.

More for Less

Get comfortable no matter the weather in the Prius Prime's standard heated front seats. Based on the interior specs of the 2022 Niro Plug-In, only the Niro Plug-In EX or EX Premium will come with heated front seats.

While the Niro Plug-In has a slightly bigger standard infotainment display than the Prius Prime, you'll have to spend more on any multimedia upgrades. For a starting MSRP of $30,000, the Prius Prime XLE comes with Premium Audio with Integrated Navigation and an 11.6-in touchscreen with split-screen display. Kia's UVO link with Voice-Command Navigation System and a 10.25-inch Touch-Screen Display is only available on the EX Premium. This model starts at $36,490.

The Prius Prime also comes standard with a cargo area lightweight tonneau cover to keep your valuables out of sight. A cargo cover is only standard on the Niro Plug-In EX and EX Premium models.

Blue Prius Prime driving fast down a highway


  • Among consumers, the Prius Prime was rated more highly than the Niro Plug-In in the category of Reliability on KBB.com.
  • The Prius Prime and Niro Plug-In made the top 10 Kelley Blue Book® list of Best Plug-In Hybrid Cars Under $40,000.
  • Taking pride in creating reliable cars, Toyota's hard work paid off winning the 2021 Best Resale Value: Brand award from KBB®.

These plug-in hybrids have received high marks from both expert reviewers and real life consumers.

The Reviews Are In

Based on reviews over various model years, the Prius Prime's current reliability rating stands at a perfect 5.0 consumer rating on KBB.com. The Niro Plug-In has a 4.7 out of 5.

It was also a tight race for the 2021 Prius Prime and 2021 Niro Plug-In to see which would get closest to the number one spot on the Kelley Blue Book® list of Best Plug-In Hybrid Cars Under $40,000. The Niro Plug-In came in fifth followed by the Prius Prime in sixth.

In 2021, Toyota won the Best Resale Value: Brand, according to Kelley Blue Book®'s KBB.com. Purchase your Prius Prime with the peace of mind of knowing that it will withstand the test of time.

A parked blue Prius Prime in front of a city skyline

Conclusion: Prius Prime vs. Niro Plug-In

  • Toyota has your best interests in mind. That's why all new vehicles come standard with ToyotaCare.
  • The Prius Prime and Toyota are a Kelley Blue Book® award-winning duo.
  • Take home the Prius Prime and plug into something new.

To put it simply, the Prius Prime is an all-around superb plug-in hybrid. It promises excellent performance and interior features, and it has a reputation for quality, durability, and reliability.

With ToyotaCare, you won't have to worry about the added costs that come with regular maintenance for two years or 25,000 miles, whichever comes first. The Niro Plug-In has different maintenance options that vary in price and coverage.

The additional maintenance plan provided by Toyota ultimately leads to vehicles that help retain their value longer. That's why the KBB® 2021 Best Resale Value: Brand award went to none other than Toyota. Spend less upfront and get more for your Prius Prime down the road.

After all is said and done, the winner of this head-to-head matchup is the 2022 Prius Prime.