Toyota Avalon Power Train Problems

Source: NHTSA · Updated Oct 4, 2026 · 211 complaints analyzed

Owners have filed 211 complaints with NHTSA about power train problems on the Toyota Avalon across 25 model years. The 2006 model year has the most (52).

At what mileage do power train problems happen?

Based on 134 complaints that reported the odometer reading.

Under 10k miles47 · 35%
10k–25k miles16 · 12%
25k–50k miles21 · 16%
50k–75k miles17 · 13%
75k–100k miles14 · 10%
100k–150k miles12 · 9%
150k+ miles7 · 5%

How serious are the reports?

Of 211 complaints, 21 mention a crash, 10 an injury.

Toyota Avalon power train complaints by model year

Peak: 2006, with 52 complaints
1995: 419951996: 31997: 919971998: 111999: 419992000: 82001: 920012002: 42003: 620032004: 42005: 3320052006: 52522007: 2320072008: 132009: 220092010: 22011: 220112012: 12013: 320132014: 12015: 220152016: 22018: 120182019: 112021: 12021

n = 211 complaints · Source: NHTSA

Model yearPower Train complaintsShare of that yearMedian miles
2021 Avalon15%2,500
2019 Avalon1115%900
2018 Avalon14%44,000
2016 Avalon29%71,500
2015 Avalon25%208,309
2014 Avalon11%—
2013 Avalon32%55,150
2012 Avalon13%—
2011 Avalon22%9,350
2010 Avalon24%10,000
2009 Avalon22%30,341
2008 Avalon134%20,750
2007 Avalon239%41,650
2006 Avalon5214%16,045
2005 Avalon3314%21,340
2004 Avalon42%47,500
2003 Avalon62%38,122
2002 Avalon43%118,177
2001 Avalon97%—
2000 Avalon85%99,445
1999 Avalon44%—
1998 Avalon116%69,500
1997 Avalon97%99,521
1996 Avalon33%100,475
1995 Avalon45%—

When owners reported it

Peak: 2010, with 42 complaints
1996: 119961997: 21998: 41999: 719992000: 82001: 62002: 920022003: 32004: 42005: 1020052006: 202007: 162008: 920082009: 132010: 42422011: 120112012: 52013: 32014: 520142015: 42016: 42017: 220172018: 42019: 32020: 720202021: 32022: 12023: 520232024: 12025: 32026: 62026

n = 211 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists power train for the Toyota Avalon. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

What component or system failed or malfunctioned, and is it available for inspection upon request? Transmission. Yes. How was your safety or the safety of others put at risk? The UA80 eight-speed automatic transmission used in my Toyota is defective. There is a design flaw that causes excess heat…

Received Oct 4, 2026 · NHTSA complaint 11768787

While driving the vehicle and stopped at a red light or stop sign, the vehicle failed to accelerate when pressing the gas pedal. I pulled to the curb and turn off the car. After I start the car again, it will work fine. The vehicle has failed to accelerate several random times while driving and…

Received Sep 3, 2026 · NHTSA complaint 11761911

The contact owns a 2015 Toyota Avalon. The contact stated that while driving at 35 MPH, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended. The contact stated that the transmission shuddered. No warning lights illuminated. The contact stated that the failure did…

Received Jul 10, 2026 · NHTSA complaint 11749514

UA80 transmission issues. High pitched whining Erratic and hard shifting shuttering and hesitation Issue has been diagnosed by dealership Toyota Technician and independent service center ASE Certified technicians. Car is still drivable, with no warning lamps as of yet. Issue became more noticeable…

Received Jun 24, 2026 · NHTSA complaint 11746113

Odometer Fraud. The contact purchased a 2015 Toyota Avalon. The contact stated that while attempting to register the vehicle, the contact noticed that the title listed the mileage at 133,510, with the note " Not the Actual Mileage" next to the mileage. It was later discovered that there was a…

Received Jan 6, 2026 · NHTSA complaint 11709132
Toyota Avalon
TOYOTA AVALON China. Representative photo; appearance varies by model year. Photo: Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all Toyota Avalons have power train problems?

No. NHTSA has 211 owner complaints about power train for the Toyota Avalon. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Toyota Avalon power train?

No recall currently lists power train for this vehicle.

Other Toyota Avalon problems

See all Toyota Avalon problems.