Toyota Prius Generations Ranked By Reliability

The progress of hybrid cars has leaped and bounded over the years, but they weren’t always mainstream. The Toyota Prius was one of the first popular hybrids of the 2000s. Since then, the brand has focused heavily on the integration of electric power with gas engines. While many automakers have turned to fully electric cars over the last half a decade, then turned back, Toyota has worked to perfect its hybrid powertrains.

Base Trim Engine

2.0L Inline-4 Hybrid

Base Trim Transmission

Continuously Variable Automatic (CVT)

Base Trim Drivetrain

Front-Wheel Drive

Infotainment & Features

8 /10

Priuses might be popular among those who savor fuel economy, but are they reliable? In this article, we explore each generation of the Prius, and rank them from worst to best in relation to their overall reliability.

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4

3rd Generation: 2010–2015

Common Issues

• Brakes fail or require excessive force to stop the car
• ABS/traction control problems
• Car loses power while driving

Average J.D. Power Quality and Reliability Rating: 86.8

The third generation of the Toyota Prius was the least reliable by far, despite having an above-average J.D. Power score for initial reliability. This generation goes to show that a car might seem great while it’s new, but after being driven for a few years, it starts to fall apart. The later model years were decent in terms of reliability, but the beginning of this generation brings the whole group to last place.

The 2010 model is particularly unreliable, with over 3,000 complaints lodged with the NHTSA and Car Complaints. The vast majority of these stem from brake problems. Of the 2,787 complaints to the NHTSA, 1,348 of them describe problems with stopping the car. Some people say the brake pedal stops working after they drive over a pothole, others say the brake pedal requires excessive force to stop the car, or the pedal suddenly becomes stiff.

Customers also reported problems with the traction control malfunctioning, and others described problems with the car shutting off and losing power while driving. The last part was so bad that Toyota recalled the 2010 model year for the hybrid system possibly shutting down and stalling. This recall was one of ten in total, and potentially affected 807,329 Prius and Prius V models from 2010-2014.

3

2nd Generation: 2004–2009

Common Issues

• Gauge cluster turns off
• Headlights turn off on their own
• Brake failure

Average J.D. Power Quality and Reliability Rating: 88.3 (MY2007-2009)

The first few model years of this generation were not rated by J.D. Power for their initial quality and reliability, but the last few earned an average score of 88.3. Overall, the second generation has slightly fewer problems reported to Car Complaints and the NHTSA, and even those that were reported aren’t as severe as the worst from the third-gen Prius. The models from 2005-2007 were the most egregious offenders, with each year having over 1000 registered complaints, peaking at 2,001 in 2007.

Making up over half of those complaints, though, are people reporting that their headlights turn off randomly. While this is a serious safety issue that should be taken care of, it doesn’t affect the car’s mechanical reliability enough to rank it worse than the third generation. A more serious issue that drops the second-gen’s reliability has to do with the car’s brakes not slowing the car down. For many, this problem is rooted in hydraulic failure, but others have some electrical gremlins interfering with the ABS system. Those same electrical problems are found by many owners who report their gauge clusters turning off randomly.

As for recalls, the worst of them involved 350,662 Toyotas, including the 2004-2009 Prius. In these models, a coil wire inside the water pump could corrode and cause the car to stall. Another huge recall that encompassed over 4.4 million cars, like the Prius from 2004-2010, had to do with the accelerator pedal getting stuck under the floor mat at fully-open throttle.

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2

1st Generation: 2001–2003

Common Issues

• Steering wheel vibration
• Power steering failure
• Unintended acceleration

Average J.D. Power Quality and Reliability Rating: N/A

Toyota Prius generations kicked off in the United States with the 2001 model year. J.D. Power did not assign quality and reliability scores to cars this early, but it’s been more than long enough to determine for ourselves that this Prius’ reliability was on par with many Toyotas of the era. Some of the problems people reported are serious, but there are few in comparison to the two generations that came next.

Of the three years the first-gen Prius was sold in America, there were only an average of around 150 complaints per year and a few recalls. Putting those numbers next to the multiple thousands of common complaints, and dozens of recalls regarding the 2nd and 3rd generations makes the 1st-gen Prius look great. Among the few hundred reports over these three years, the most common had to do with both power steering failure and a sudden violent vibration/shaking of the steering wheel. Losing power steering and the wheel vibrating is dangerous, but a slightly less common, but still reported concern had to do with both speed control. Some owners report the car stopping all power to the wheels, while others describe the opposite: the car suddenly surges in power and accelerates unintentionally.

There were only a handful of recalls, and none of them affected all that many cars. The most notable potentially affected 52,377 cars from 2001 to 2003, and addressed the loss of power steering.

1

4th Generation: 2016–2022

Common Issues

• Windshield cracks without cause
• Electrical problems

Average J.D. Power Quality and Reliability Rating: 82.5

Wrapping up this ranking of Prius generations by reliability is the fourth gen, which reigned from 2016 to 2022. This generation picked itself back up after the mess that early third-gens created. While the 2019 model year was not rated by J.D. Power, the rest of this generation was, and it averaged at 82.5. That’s not the highest quality and reliability score compared to the other generations, but it’s still good.

The fourth-gen Prius was on sale for seven years, but didn’t rack up nearly as many recalls or complaints. After the 2018 model year, there are so few noteworthy reported problems that this generation can be called the most reliable. Even the first few years were relatively tame. One of the most common complaints had to do with the windshield randomly cracking without reason. Some customers reported waking up to cracks, and others say they watched cracks form while they drove, but none claim any fault or reason to what caused them. There are also a handful of complaints regarding various electrical problems. All grouped under electrical system complaints, some report the vehicle stalling at stop lights, others say they had battery issues, and rare cases describe needing to replace their wiring harness.

There weren’t too many serious recalls affecting this generation of Prius, but the worst of them include the hybrid system possibly shutting down and stalling, and the wiring harness chafing, then shorting. The first potentially affected 266,638 cars between 2013-2015 and Prius V models from 2014-2017, while the second affected 192,347 Prius models from 2016-2018. Both of these relate to the complaints listed above.

Honorable Mention: 5th Gen Prius

We have yet to see how Toyota Prius reliability keeps up with this latest generation, as it hasn’t been around for long enough to accurately judge its longevity. The first model year of the fifth-gen was not rated, but both the 2024 and 2025 models earned 75 for their quality and reliability from J.D. Power. That’s about average for cars these days, which is strange after learning about the scores given to every other generation. However, it’s still too early to tell how it will hold up. The latest generation carries the largest powertrain of any Prius to date, and gives the most power. Its 2.0L four-cylinder hybrid makes 194 hp with FWD and 196 hp with AWD. The reason everybody buys it, though, is for up to 57 combined MPG.

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Summary: Unbeatable Efficiency, But Not Always Toyota’s Most Reliable Model

For the most part, the Prius is a reliable car that should follow Toyota’s reputation. However, you should tread carefully around the second and third generations, and some particularly problematic model years within those. Every car has its issues; the Toyota Prius is not excluded. At the end of the day, the fourth-generation Prius is the most reliable, with the later model years being the best of the best. We still don’t know exactly how the newest Prius generation is going to hold up over time, but we hope it follows the fourth-gen’s footsteps.

Sources: Toyota, J.D. Power, NHTSA, Car Complaints