Question 1

Is the Toyota SIENNA reliable?

Accepted Answer

The Toyota SIENNA has 2,582 total NHTSA complaints across 11 model years. The most reliable years are 2020 (48 complaints), 2019 (58 complaints), 2018 (85 complaints). Years to avoid: 2011 (813 complaints), 2012 (331 complaints), 2015 (291 complaints).

Question 2

What years of the Toyota SIENNA should I avoid?

Accepted Answer

Avoid the 2011, 2012, 2015 Toyota SIENNA. The 2011 model has the most complaints (813) with the top issue being AIR BAGS.

Question 3

What is the best year for the Toyota SIENNA?

Accepted Answer

The best years for the Toyota SIENNA are 2020 (48 complaints), 2019 (58 complaints), 2018 (85 complaints). These years have the fewest reported issues to NHTSA.

Year	Complaints	Top Issue	Verdict
2020	48	TL* THE CONTACT OWNS A 2020 TOYOTA SIENNA. THE CON...	Excellent Reliability
2019	58	IMMEDIATELY AFTER PURCHASING THIS NEW 2019 TOYOTA ...	Above Average
2018	85	MY 2018 SIENNA LE IS EXPERIENCING ACCELERATION PRO...	Above Average
2017	198	2017 TOYOTA SIENNA. CONSUMER WRITES IN REGARDS TO ...	Average
2016	98	THE SLIDING PASSENGER DOORS STOPPED WORKING AND YO...	Above Average
2015	291	DRIVER SIDE MIRROR PAINT WAS MELTED IN NORMAL USAG...	Below Average
2014	207	THIS COMPLAINT IS IN REFERENCE TO NHTSA CAMPAIGN I...	Average
2013	226	THIS CAR WAS PURCHASED JUST 14 DAYS AGO AND HAS BE...	Average
2012	331	TL* THE CONTACT OWNS A 2012 TOYOTA SIENNA. THE CON...	Avoid This Year
2011	813	TL* THE CONTACT OWNS A 2011 TOYOTA SIENNA. THE CON...	Avoid This Year
2010	227	TL*THE CONTACT OWNS A 2010 TOYOTA SIENNA. THE CONT...	Below Average

Toyota SIENNA — All Years

Toyota SIENNA — NHTSA Complaints by Year

Best Years to Buy

Years to Avoid