"How reliable is the 2011 Toyota Sienna?"

"Based on 806 NHTSA complaints, the 2011 Toyota Sienna has a median complaint mileage of 53000 miles. The most common issue is AIR BAGS."

"What are common problems with the 2011 Toyota Sienna?"

"The most frequently reported component in NHTSA complaints for the 2011 Toyota Sienna is AIR BAGS, accounting for a significant portion of the 806 total complaints filed."

2011 Toyota Sienna: Reliability Data

Source: NHTSA — 806 complaints

806

Total Complaints

53,000mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

15,000 25th Percentile

53,000 Median Mileage

96,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

211

STRUCTURE:BODY

ELECTRICAL SYSTEM

UNKNOWN OR OTHER

STRUCTURE:BODY:DOOR

WHEELS

TIRES

POWER TRAIN

STEERING

ENGINE

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) 2011 TOYOTA SIENNA TURN INDICATOR IS NOT AUDIBLE AND DOES NOT DISENGAGE WHEN CHANGING LANES ON THE INTERSTATE THE FOLLOWING LETTER WAS SENT TO TOYOTA: MAY 16, 2010 [XXX] SUBJECT: 2011 TOYOTA SIENN..."

"I BOUGHT A 2011 TOYOTA SIENNA LE IN MARCH 2010 AND HAVE 1200 MILES ON IT. I BELIEVE THE SIENNA AS ACCELERATION ISSUES WHEN IN CRUISE CONTROL. I TURNED ON THE CRUISE CONTROL TO KEEP THE SPEED AT 60 MPH ON THE BRIDGE. WHILE GOING UPHILL, THE SIENNA WAS ACCELERATING TO MAINTAIN SPEED WHICH WAS OK BUT W..."

"WE HAVE OWNED A 2011 TOYOTA SIENNA FOR 1.5 WEEKS. YESTERDAY OUR 3 YEAR OLD'S HAND BECAME STUCK IN THE SLIDING DOOR. HE HAD JUST EXITED THE CAR AND HIS HAND WAS IN THE PATH OF THE DOOR AS IT WAS SLIDING CLOSED. THE DOOR DID NOT RETRACT. IT CLOSED TIGHTLY AND A MINUTE OR SO PASSED BEFORE THE DOOR WAS..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

AIR BAGS 211 complaints

25th: 39,500 mi Median: 63,500 mi 75th: 101,250 mi

STRUCTURE:BODY 94 complaints

25th: 59,487 mi Median: 88,000 mi 75th: 110,000 mi

ELECTRICAL SYSTEM 64 complaints

25th: 18,100 mi Median: 58,527 mi 75th: 100,000 mi

UNKNOWN OR OTHER 59 complaints

25th: 53,000 mi Median: 80,000 mi 75th: 106,000 mi

STRUCTURE:BODY:DOOR 43 complaints

25th: 1,357 mi Median: 59,500 mi 75th: 89,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 128 TX: 68 FL: 63 NY: 41 IL: 37 MA: 33 PA: 32 VA: 31 OH: 31 NC: 29

Who Files Complaints?

2.7%

Original Owners

97.3%

Second+ Owners

Toyota Sienna — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1998	352	97,375	LATCHES/LOCKS/LINKAGES:DOORS:LATCH	23
1999	250	91,000	STRUCTURE:BODY:DOOR	17
2000	459	82,300	POWER TRAIN:AUTOMATIC TRANSMISSION	28
2001	237	60,000	STRUCTURE:BODY:DOOR	15
2002	225	70,315	LATCHES/LOCKS/LINKAGES	16
2003	124	51,329	VEHICLE SPEED CONTROL	14
2004	2588	77,000	STRUCTURE:BODY:DOOR	56
2005	1418	69,512	STRUCTURE:BODY	47
2006	1284	72,000	AIR BAGS	56
2007	448	69,701	STRUCTURE:BODY	38
2008	570	79,000	STRUCTURE:BODY	49
2009	270	80,000	STRUCTURE:BODY	35
2010	226	69,000	STRUCTURE:BODY	16
2012	331	58,000	AIR BAGS	18
2013	223	49,900	STRUCTURE:BODY	8
2014	205	50,000	STRUCTURE:BODY	8
2015	281	30,000	STRUCTURE:BODY	21
2016	98	18,000	STRUCTURE:BODY	10
2017	190	20,997	POWER TRAIN	23
2018	84	16,000	POWER TRAIN	5
2019	56	12,000	UNKNOWN OR OTHER	3
2020	41	8,100	ELECTRICAL SYSTEM	0

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28