"How reliable is the 2016 Toyota Sienna?"

"Based on 98 NHTSA complaints, the 2016 Toyota Sienna has a median complaint mileage of 18000 miles. The most common issue is STRUCTURE:BODY."

"What are common problems with the 2016 Toyota Sienna?"

"The most frequently reported component in NHTSA complaints for the 2016 Toyota Sienna is STRUCTURE:BODY, accounting for a significant portion of the 98 total complaints filed."

2016 Toyota Sienna: Reliability Data

Source: NHTSA — 98 complaints

Total Complaints

18,000mi

Median Mileage

STRUCTURE:BODY

Top Issue

Crash Reports

When Do Complaints Happen?

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

6,000 25th Percentile

18,000 Median Mileage

35,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE:BODY

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

SEAT BELTS

AIR BAGS

WHEELS

STEERING

ENGINE

EXTERIOR LIGHTING

POWER TRAIN

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"THE SLIDING PASSENGER DOORS STOPPED WORKING AND YOU COULD NOT OPEN THEM MANUALLY. PASSENGERS SIDE DOOR STOPPED WORKING 8/3/15 AND THE DRIVERS SIDE DOOR STOPPED WORKING 5/3/16."

"THE VANS THAT HAVE BEEN CONVERTED TO A HANDICAP/MOBILITY VAN ARE UNSAFE FOR OTHERS TO DRIVE ONCE THE DRIVER SEAT HAS BEEN REMOVED. I HAVE CONTACTED THE LOCAL COMPANY RESPONSIBLE FOR THE CONVERSION, AND THEY TOLD ME TO SIT ON A DINNING ROOM CHAIR OR A BUCKET. THAT IS DEFINITELY NOT A SAFE OPTION WHE..."

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.

STRUCTURE:BODY 23 complaints

25th: 30,000 mi Median: 30,000 mi 75th: 50,000 mi

UNKNOWN OR OTHER 14 complaints

25th: 7,625 mi Median: 14,750 mi 75th: 29,750 mi

ELECTRICAL SYSTEM 8 complaints

25th: 13,000 mi Median: 19,000 mi 75th: 35,756 mi

SEAT BELTS 6 complaints

25th: 100 mi Median: 30,000 mi 75th: 50,650 mi

AIR BAGS 5 complaints

25th: 7,150 mi Median: 18,500 mi 75th: 50,175 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 22 WA: 11 FL: 9 CO: 5 VA: 5 NJ: 4 MA: 4 MN: 4 NC: 4 IL: 4

Who Files Complaints?

Original Owners

98%

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
2011	806	53,000	AIR BAGS	49
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
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