Which Odyssey years should I avoid?

NHTSA data flags 2018, 2019, 2020, and 2025 as Avoid years for the Honda Odyssey, with complaint index values of 87, 93, 80, and 100 respectively, based on owner complaints and recalls relative to other Odyssey years.

Which Sienna years should I avoid?

NHTSA data flags 2011, 2012, and 2015 as Avoid years for the Toyota Sienna, with complaint index values of 100, 80, and 90 respectively, based on owner complaints and recalls relative to other Sienna years.

Which has more total complaints, the Odyssey or the Sienna?

The Odyssey has 5,051 total complaints across 16 model years (316 per year) versus the Sienna's 1,995 total complaints across 11 model years (181 per year). These totals are not normalized for sales volume.

How do fuel economy figures compare?

The Odyssey averages 21.7 mpg combined across its model years, while the Sienna averages 20.4 mpg combined. Individual annual fuel costs range as high as $3,500 for the 2010 Sienna and $3,425 for the 2010 Odyssey.

What are the top problem areas for each model?

For the Odyssey, Engine and Electrical System each account for 26% of complaints, followed by Collision Avoidance & Cameras at 16%. For the Sienna, Structure & Body leads at 28%, followed by Airbags at 18%.

Honda Odyssey vs Toyota Sienna: Which Years to Avoid

The Honda Odyssey (2010-2025) logs 5,051 complaints across 16 model years (316/year), with 2018, 2019, 2020, and 2025 flagged Avoid. The Toyota Sienna (2010-2020) logs 1,995 complaints across 11 model years (181/year), with 2011, 2012, and 2015 flagged Avoid. Totals aren't sales-normalized.

Head to head

Honda Odyssey

Model years: 2010–2025 (16)
NHTSA complaints: 5,051
Per model year: 316
Recall campaigns: 41
Years to avoid: 2018, 2019, 2020, 2025
Best years: 2011, 2015, 2017, 2021
Top problem area: Engine
Avg. EPA combined MPG: 21.7
Avg. NHTSA overall rating: 5.0 ★

Toyota Sienna

Model years: 2010–2020 (11)
NHTSA complaints: 1,995
Per model year: 181
Recall campaigns: 39
Years to avoid: 2011, 2012, 2015
Best years: 2016, 2019, 2020
Top problem area: Structure & Body
Avg. EPA combined MPG: 20.4
Avg. NHTSA overall rating: 4.7 ★

Year by year

Complaint Index is relative within each model (0 = that model’s best year, 100 = its worst). Complaints and recalls are raw counts.

Year	Odyssey				Sienna
Year	Verdict	Complaints	Recalls	MPG	Verdict	Complaints	Recalls	MPG
2010	Caution	255	1	19	Caution	172	8	18.5
2011	Best	233	5	21.5	Avoid	614	14	20
2012	Caution	245	5	21.5	Avoid	247	9	21
2013	Good	210	6	21.5	Caution	183	6	21
2014	Good	307	5	22	Good	163	6	20
2015	Best	206	6	22	Avoid	232	6	20
2016	Good	269	6	22	Best	75	5	20
2017	Best	39	2	22	Caution	154	10	21
2018	Avoid	990	16	22	Good	72	7	21
2019	Avoid	966	20	22	Best	45	7	21
2020	Avoid	470	14	22	Best	38	2	20.5
2021	Best	141	8	22	—	—	—	—
2022	Caution	135	9	22	—	—	—	—
2023	Good	99	5	22	—	—	—	—
2024	Caution	107	3	22	—	—	—	—
2025	Avoid	379	2	22	—	—	—	—

Complaint Index by year

Honda Odyssey

Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best

Toyota Sienna

Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best

Frequently asked questions

Which Odyssey years should I avoid?: NHTSA data flags 2018, 2019, 2020, and 2025 as Avoid years for the Honda Odyssey, with complaint index values of 87, 93, 80, and 100 respectively, based on owner complaints and recalls relative to other Odyssey years.
Which Sienna years should I avoid?: NHTSA data flags 2011, 2012, and 2015 as Avoid years for the Toyota Sienna, with complaint index values of 100, 80, and 90 respectively, based on owner complaints and recalls relative to other Sienna years.
Which has more total complaints, the Odyssey or the Sienna?: The Odyssey has 5,051 total complaints across 16 model years (316 per year) versus the Sienna's 1,995 total complaints across 11 model years (181 per year). These totals are not normalized for sales volume.
How do fuel economy figures compare?: The Odyssey averages 21.7 mpg combined across its model years, while the Sienna averages 20.4 mpg combined. Individual annual fuel costs range as high as $3,500 for the 2010 Sienna and $3,425 for the 2010 Odyssey.
What are the top problem areas for each model?: For the Odyssey, Engine and Electrical System each account for 26% of complaints, followed by Collision Avoidance & Cameras at 16%. For the Sienna, Structure & Body leads at 28%, followed by Airbags at 18%.