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Toyota Prius Reliability Report

Reviewed by the Motor Ranked Media editorial team · Last reviewed May 2026 · Our methodology

88/100
Low RiskRank #7

Photo: Benespit · CC BY-SA 4.0

Reliability Snapshot

The Toyota Prius is one of the most dependable cars on the road, earning a 4.0/5.0 reliability rating from RepairPal (10th of 24 midsize cars) with a very low ~$408 average annual repair cost. Its hybrid drivetrain is famously durable, and most failures are minor — but specific 2010-2015 (3rd-gen) cars carry well-documented excessive oil consumption and head-gasket risk, and every Prius eventually faces an aging high-voltage battery. Buy a clean later 4th-gen (2017+) or a well-maintained 2nd-gen and the Prius is hard to beat for cost of ownership.

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Reliability by the numbers

RepairPal Reliability Rating (out of 5.0)
4.0 out of 5.0
RepairPal rank within class
10th out of 24 midsize cars
RepairPal average annual repair & maintenance cost
$408 per year (vs. $526 avg for midsize cars, $652 all vehicles)
J.D. Power Quality & Reliability score (2022 Toyota Prius)
84/100 ("Great")
iSeeCars longevity — predicted chance of reaching 250,000+ miles (2025 Longest-Lasting Cars study)
12.2% (2.5x the 4.8% overall average); ranks #15 overall, #3 among passenger cars, #3 among hybrids
J.D. Power Quality & Reliability — 2022 Toyota Prius (4th gen, XW50)
84/100 ("Great")
J.D. Power Quality & Reliability — 2021 Toyota Prius (4th gen, XW50)
85/100 ("Great")
J.D. Power Quality & Reliability — 2020 Toyota Prius (4th gen, XW50)
81/100 ("Great")
J.D. Power Quality & Reliability — 2019 Toyota Prius (4th gen, XW50)
Not Rated (no published Q&R score)
J.D. Power Quality & Reliability — 2023 Toyota Prius (5th gen, XW60)
Not Rated (no published Q&R score)
J.D. Power Quality & Reliability — 2015 Toyota Prius (3rd gen, XW30)
Not Rated (no published Q&R score; J.D. Power page defaults to Prius c data)

Common Toyota Prius Problems

  • Excessive engine oil consumption (worn piston rings) — most common on 3rd-gen 1.8L engines, can run the engine low on oil between changes if not monitored

    High

    Typical onset: 110k-115k mi (CarComplaints avg) · Repair cost: $1,900-$3,000 (CarComplaints: ~$1,900 on 2010, ~$3,000 on 2011; piston-ring/short-block repair)

  • Head gasket failure — coolant intrusion and overheating, very well documented on 3rd-gen (2010-2015) and reported by owners on some early 4th-gen / Prius Prime (2016-2017) cars

    High

    Typical onset: 120k-200k mi · Repair cost: $1,500-$3,000+

  • Inverter / electric water pump failure (P0A93) — can let the inverter overheat and trigger a no-drive condition, a widely reported 3rd-gen issue

    Medium

    Typical onset: 80k-150k mi · Repair cost: $150-$700 (pump + labor at an independent shop)

  • High-voltage hybrid battery degradation — reduced MPG, P0A80 code, eventual failure as the pack ages

    High

    Typical onset: 100k-200k mi / 8-15 yrs · Repair cost: ~$2,000-$2,500 for an aftermarket/reman pack (Carfax); a new Toyota dealer pack typically runs much more ($4,500+)

  • Windshield cracks easily — disproportionate owner complaints on 2016 models, often from minor impacts

    Low

    Typical onset: ~18k mi (CarComplaints avg) · Repair cost: ~$800

Best & Worst Model Years

Best years
2017-2022 (later 4th gen) and well-maintained 2nd gen (2004-2009)
Years to approach with caution
2010-2012 (3rd gen)

CarComplaints logs the most complaints against the 2010 (326) and 2011 (117) Prius and rates 2011 the worst model year overall — driven by 3rd-gen excessive oil consumption and head-gasket failures that share the same 1.8L engine through ~2015. The early 4th-gen (2016) drew extra complaints for windshield cracking, and head-gasket/coolant reports also surface on some 2016-2017 cars. The refreshed later 4th-gen (2017+) and the simpler, proven 2nd-gen are generally the safest bets.

Toyota Prius Reliability by Generation

First generation (NHW10/NHW11)

Weakest by Consumer Reports survey coverage (largely owner-report based for that era)

Pioneering but with teething issues. Most-cited fault: electric power steering — 2011 recall of ~52,000 US units (NHTSA 11V304 / Toyota B0G) for loose pinion-shaft nuts reducing steering assist — plus a braking quirk where hitting a bump while braking can momentarily lengthen stopping distance. CR survey depth for this era is thin, so the Jalopnik ranking leans on owner anecdotes. (Note: iSeeCars lists an 8.5/10 reliability score for 2001-2003, but that is a modeled lifespan score, not a CR survey grade.) Buy as a curiosity, not a daily driver.

Second generation (XW20)

Very reliable — iSeeCars 8.5/10 (2004-2009 hatchback); CR rates it highly and many owners call it the most reliable Prius

Built around reliability after Toyota refined the hybrid system. Same proven 1.5L Atkinson NZ engine, more efficient than Gen 1, and frequently documented past 300,000 miles. Watch-items as they age: headlight failures (intermittent, one or both sides), some oil burning, HV battery degradation, and failing inverter water pump. Strong used buy with clean maintenance history. (iSeeCars score verified.)

Third generation (XW30)

Weakest modern generation per Consumer Reports; iSeeCars 8.7/10 but with real engine-failure and recall exposure

Most problem-prone modern Prius. The new 1.8L 2ZR-FXE plus EGR system is prone to EGR carbon clogging above ~100k miles, leading to misfires, the 'Prius Death Rattle', and head-gasket leaks; 2010-2014 cars with low-tension piston rings can burn oil; brake-sensor issues cause inconsistent braking. ALSO the generation most exposed to the major hybrid-inverter/IPM loss-of-propulsion recalls — 15V-449 (108,624 US), 18V-684 (807,329 US, with Prius V), and 20V-369 (266,637 US, with Prius v). Inspect EGR, head gasket, and confirm all inverter recall remedies before buying. (iSeeCars 8.7/10 and all three recall counts verified against NHTSA.)

Fourth generation (XW50)

Most reliable Prius generation per Consumer Reports (highest average CR reliability); iSeeCars 8.7/10 (2016-2022 hatchback)

CR ranks it #1: two model years 'excellent', the others 'well above average'. Resolved the Gen 3 head-gasket and EGR-clogging problems; owners report very few unplanned repairs. Caveats: windshields crack easily and a few cracked-heat-exchanger reports. IMPORTANT offsetting hard data: 2016-2018 cars fall under the ~192,000-unit US engine wire-harness FIRE-RISK recall (NHTSA 18V-579 / Toyota J0T) — verify it was remedied. Best all-round used buy. (iSeeCars 8.7/10 and corrected fire-recall campaign ID verified.)

Fifth generation (XW60)

Strong early reliability — CR's second-highest average reliability rating ever for the nameplate; iSeeCars reliability 'Coming soon / insufficient data'

Strong early reliability and few owner complaints, but long-term durability is unproven given the short production run. Recall exposure is the main asterisk: earlier Gen 5 recalls for the rearview camera display freezing/blanking during reverse (2023-2025; exact unit counts unconfirmed), plus the Jan 28, 2026 recall (NHTSA 26V049) covering 141,286 US Prius / Prius Prime / Prius Plug-in Hybrid for rear doors that can open while driving (water-intrusion door switch). Confirm all open recalls are closed on any specific VIN. (26V049 count of 141,286 verified against the NHTSA Part 573 report; the camera-recall unit counts could not be verified.)

Major Toyota Prius Recalls

  • 2010-2014 Prius and 2012-2014 Prius V

    807,329

    2010-2014 Prius and 2012-2014 Prius V: excessive voltage in the Intelligent Power Module (IPM) within the inverter may cause the hybrid system to shut down, stalling the vehicle while driving.

    NHTSA 18V684000 →

  • 2010-2014 Prius

    698,457

    2010-2014 Prius: transistors in the IPM inside the inverter (hybrid system) may be damaged by high operating temperatures, putting the car in fail-safe/limp mode or causing a complete hybrid shutdown/stall.

    NHTSA 14V053000 →

  • 2010-2012 Prius, 2010 & 2012 Prius Plug-in Hybrid, and 2011-2012 Lexus CT200h

    482,002

    2010-2012 Prius, 2010 & 2012 Prius Plug-in Hybrid, and 2011-2012 Lexus CT200h: a weld in the curtain shield airbag inflator may crack, causing inflator portions to eject into the passenger cabin.

    NHTSA 16V487000 →

  • 2013-2015 Prius and 2014-2017 Prius V

    266,638

    2013-2015 Prius and 2014-2017 Prius V (not covered by 18V-684): excessive voltage in the inverter IPM may cause the hybrid system to shut down and the vehicle to stall while driving.

    NHTSA 20V369000 →

  • 2010 Toyota Prius and Lexus HS250h

    148,549

    2010 Toyota Prius and Lexus HS250h: inconsistent brake feel after ABS actuation during slow, steady braking on rough/slick surfaces; stopping distances may be longer than expected for a given pedal force.

    NHTSA 10V039000 →

  • 2023-2024 Prius Prime, 2023-2026 Prius, and 2025-2026 Prius Plug-in Hybrid

    141,286

    2023-2024 Prius Prime, 2023-2026 Prius, and 2025-2026 Prius Plug-in Hybrid: water may enter the rear door switch and short-circuit it, allowing an unlocked rear door to open unexpectedly.

    NHTSA 26V049000 →

  • 2010 Toyota Prius and Lexus HS250h

    87,060

    2010 Toyota Prius and Lexus HS250h: nitrogen gas from the brake booster pump assembly could leak into the brake fluid, potentially affecting braking performance.

    NHTSA 13V235000 →

  • Floor-mat pedal-entrapment recall

    4,445,056 (full campaign, multiple Toyota/Lexus models incl. Prius; not a Prius-only count)

    Floor-mat pedal-entrapment recall: the accelerator pedal can get stuck in the wide-open position when trapped by an unsecured or incompatible driver's floor mat. The Prius was one of many models included (NHTSA lists campaign model years 2004-2010).

    NHTSA 09V388000 →

Recall data from NHTSA. Always check a specific VIN at nhtsa.gov/recalls.

Before You Buy

Verified against RepairPal (rating 4.0/5.0, 10th of 24, $408/yr, 0.5 visits/yr, 11% severe — all confirmed), CarComplaints (2010=326 and 2011=117 complaints, 2011 worst year, 2010 oil consumption ~$1,900 @ ~110k mi, 2011 oil consumption ~$3,000 @ ~113k mi, 2016 windshield ~$800 @ ~18k mi), and Carfax (Prius reman battery ~$2,000-$2,500; 100k-200k mi battery life). Head-gasket (3rd-gen) and inverter water-pump P0A93 patterns corroborated by owner communities (PriusChat, r/prius, independent hybrid shops). Correction applied: the draft's "$3,000-$4,000 for a new Toyota pack" is not supported by any cited source and understates current OEM/dealer pricing, so it was revised; the Carfax-backed reman figure of $2,000-$2,500 is retained. Repair-cost ranges are typical figures, not exact quotes.

What owners report

Owner communities widely treat the Prius as one of the most durable mainstream cars: high-mileage threads routinely report 200,000-300,000+ miles on the original engine, and many owners cite low running costs and minimal unscheduled repairs as the car's biggest draw. The recurring caveats are generation-specific: third-gen (2010-2015) owners frequently warn about head-gasket failure, EGR clogging and oil consumption, while hybrid-battery degradation is the main age/mileage worry across older generations. Sentiment toward the 2nd gen (2004-2009) and 4th gen (2016-2022) is strongly positive on durability.

Toyota Prius Reliability FAQ

Is the Toyota Prius reliable?
The Toyota Prius is one of the most dependable cars on the road, earning a 4.0/5.0 reliability rating from RepairPal (10th of 24 midsize cars) with a very low ~$408 average annual repair cost. Its hybrid drivetrain is famously durable, and most failures are minor — but specific 2010-2015 (3rd-gen) cars carry well-documented excessive oil consumption and head-gasket risk, and every Prius eventually faces an aging high-voltage battery. Buy a clean later 4th-gen (2017+) or a well-maintained 2nd-gen and the Prius is hard to beat for cost of ownership.
What are the most reliable Toyota Prius model years?
2017-2022 (later 4th gen) and well-maintained 2nd gen (2004-2009). CarComplaints logs the most complaints against the 2010 (326) and 2011 (117) Prius and rates 2011 the worst model year overall — driven by 3rd-gen excessive oil consumption and head-gasket failures that share the same 1.8L engine through ~2015. The early 4th-gen (2016) drew extra complaints for windshield cracking, and head-gasket/coolant reports also surface on some 2016-2017 cars. The refreshed later 4th-gen (2017+) and the simpler, proven 2nd-gen are generally the safest bets.
Which Toyota Prius years should you avoid?
We'd approach these model years with extra caution: 2010-2012 (3rd gen).
How much does it cost to maintain a Toyota Prius?
~$408/yr (RepairPal) — well below the $526 midsize-car and $652 all-vehicle averages. RepairPal rates ownership costs as excellent: repairs are slightly more frequent than average (0.5 shop visits/yr) but usually minor, with only an 11% chance any given repair is severe. The big-ticket exception is an aging hybrid battery — budget ~$2,000-$2,500 for an aftermarket/reman pack (more for a new dealer pack) — plus oil-consumption and head-gasket risk on 2010-2015 cars, so verify oil habits and cooling-system health before buying a high-mileage 3rd-gen.
What are the most common Toyota Prius problems?
The most frequently reported issues are: Excessive engine oil consumption; Head gasket failure; Inverter / electric water pump failure.