Honda Odyssey vs Toyota Sienna: which is more reliable?
The Toyota Sienna is clearly ahead of the Honda Odyssey on the federal record: 73/100 against 59/100 across every model year we score.
The record, side by side
Honda Odyssey
- 15 model years scored
- 4,770 owner complaints on record
- about 73 complaints per year on the road
- 98 recall campaigns, 45 safety-critical
- best year 2017 (91/100) · worst 2019 (22/100)
Toyota Sienna
- 10 model years scored
- 1,815 owner complaints on record
- about 12 complaints per year on the road
- 70 recall campaigns, 43 safety-critical
- best year 2020 (88/100) · worst 2011 (28/100)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: Odyssey against Sienna
The comparison that decides the purchase. A nameplate is not one car — a redesign can move the record sixty points inside two years, and the two nameplates rarely move together.
| Year | Odyssey | Sienna | Gap |
|---|---|---|---|
| 2025 | 42 AVOID | — | — |
| 2024 | 59 CAUTION | — | — |
| 2023 | 69 CAUTION | — | — |
| 2022 | 62 CAUTION | — | — |
| 2021 | 66 CAUTION | — | — |
| 2020 | 24 AVOID | 88 BUY | -64 |
| 2019 | 22 AVOID | 77 BUY | -55 |
| 2018 | 22 AVOID | 76 BUY | -54 |
| 2017 | 91 BUY | 58 CAUTION | +33 |
| 2016 | 75 BUY | 83 BUY | -8 |
| 2015 | 82 BUY | 61 CAUTION | +21 |
| 2014 | 77 BUY | 72 BUY | +5 |
| 2013 | 82 BUY | 69 CAUTION | +13 |
| 2012 | 85 BUY | 58 CAUTION | +27 |
| 2011 | 85 BUY | 28 AVOID | +57 |
What owners actually complain about
Honda Odyssey
- Electrical System — 1,219 complaints
- Engine — 1,024 complaints
- Unknown Or Other — 690 complaints
Toyota Sienna
- Structure — 424 complaints
- Air Bags — 340 complaints
- Unknown Or Other — 256 complaints
They do not fail the same way: the Odyssey's complaints concentrate in Electrical System, the Sienna's in Structure. That difference matters more to a buyer than the score gap, because it says which repair bill you are taking on.
Years to avoid on each
Honda Odyssey — avoid: 2018, 2019, 2020, 2025.
Toyota Sienna — avoid: 2011.
A year scores below 45 on complaints per year of exposure and recall campaigns. Every car’s years to avoid.
What each costs today
A recent used Honda Odyssey prices at about $35,200 and a Toyota Sienna at about $23,000 — the Toyota Sienna is roughly $12,200 less, and they return 22.0 against 21.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the Honda Odyssey or the Toyota Sienna more reliable?
On the NHTSA record the Toyota Sienna scores 73/100 against the Honda Odyssey's 59/100, averaged across every model year we hold. The Toyota Sienna carries about 12 complaints per year on the road against 73 for the Honda Odyssey.
Which Honda Odyssey and Toyota Sienna years should I avoid?
Honda Odyssey: 2018, 2019, 2020, 2025. Toyota Sienna: 2011. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the Honda Odyssey and the Toyota Sienna?
The largest complaint group on the Honda Odyssey is Electrical System (1,219 complaints); on the Toyota Sienna it is Structure (424).
Is the Honda Odyssey or the Toyota Sienna cheaper to own?
A recent used Honda Odyssey prices at about $35,200 and a Toyota Sienna at about $23,000, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.