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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 Toyota Sienna 34 Siennas, 8.9 months of data per Sienna, average 8200 miles8
0% 0% Fewest Trips Most Trips
see reported repairs
2013 Toyota Sienna 28 Siennas, 9.2 months of data per Sienna, average 21300 miles

Far higher than other model years, will likely improve in future updates. Multiple reports of leaking shocks, perhaps a bad batch?
56
70% 70% Fewest Trips Most Trips
see reported repairs
2012 Toyota Sienna 39 Siennas, 9.8 months of data per Sienna, average 36800 miles9
0% 0% Fewest Trips Most Trips
see reported repairs
2011 Toyota Sienna 66 Siennas, 9.8 months of data per Sienna, average 55800 miles

Redesigned for this model year.
24
10% 10% Fewest Trips Most Trips
see reported repairs
2010 Toyota Sienna   16 Siennas, 10.1 months of data per Sienna, average 67900 miles

* Small sample size, only visible to members.
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or 16 Siennas, 10.1 months of data per Sienna, average 67900 miles

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2009 Toyota Sienna 25 Siennas, 9.3 months of data per Sienna, average 76900 miles15
0% 0% Fewest Trips Most Trips
see reported repairs
2008 Toyota Sienna 52 Siennas, 10.0 months of data per Sienna, average 96500 miles32
10% 10% Fewest Trips Most Trips
see reported repairs
2007 Toyota Sienna 43 Siennas, 9.4 months of data per Sienna, average 93500 miles53
30% 30% Fewest Trips Most Trips
see reported repairs
2006 Toyota Sienna 62 Siennas, 9.8 months of data per Sienna, average 104100 miles42
10% 10% Fewest Trips Most Trips
see reported repairs
2005 Toyota Sienna 49 Siennas, 9.8 months of data per Sienna, average 121100 miles50
10% 10% Fewest Trips Most Trips
see reported repairs
2004 Toyota Sienna 59 Siennas, 9.8 months of data per Sienna, average 135600 miles

Redesigned for this model year.
66
20% 20% Fewest Trips Most Trips
see reported repairs
2003 Toyota Sienna   12 Siennas, 8.8 months of data per Sienna, average 143300 miles

* Very small sample size, only visible to members.
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or 12 Siennas, 8.8 months of data per Sienna, average 143300 miles

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2002 Toyota Sienna   11 Siennas, 9.9 months of data per Sienna, average 151100 miles

* Very small sample size, only visible to members.
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or 11 Siennas, 9.9 months of data per Sienna, average 151100 miles

* Very small sample size, only visible to members.
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2001 Toyota Sienna   13 Siennas, 10.2 months of data per Sienna, average 165000 miles

* Very small sample size, only visible to members.
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or 13 Siennas, 10.2 months of data per Sienna, average 165000 miles

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2000 Toyota Sienna   17 Siennas, 9.2 months of data per Sienna, average 201100 miles

* Small sample size, only visible to members.
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or 17 Siennas, 9.2 months of data per Sienna, average 201100 miles

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Toyota Sienna Reliability

You won't find Toyota Sienna reliability information like this anywhere else. Actual repair frequencies, not just vague dots. So you can tell how much the Toyota Sienna truly differs from competing car models in reliability.

These stats are promptly updated four times a year, to much more closely track Toyota Sienna reliability as the cars age. Others tell you how reliable the Toyota Sienna was a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Toyota Sienna has been recently.

What People Are Saying about Reliability and the Toyota Sienna

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What Our Members Are Saying about the Reliability and Durability of the Toyota Sienna

Toyota Sienna Reliability and Durability: Pros
YearBody/PowertrainComment
2011 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Toyota (regardless of people feel) is a company that produces dead reliable cars.
2010 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Toyota is perceived to produce reliable cars. I'm hoping this one proves right.
2009 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Toyota stood behind their warranty. They did not just "reset the computer"... they got to (hopefully) root cause. See below on dislikes.
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
no problems
2008 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Previous and current owners give it high marks
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
This is the most reliable minivan on the market. I hear the Honda drives just a bit better but it is not as reliable
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Excellent product reviews and manufacturer reputation. 50,000km and no problems thus far.
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Minimal time in shop, few repairs needed, less down time.
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
Toyota quality is already well known overall and I already own a Toyota as well
2007 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
I considered the Odyssey and Sienna to replace my 00 Chrysler T&C LTD. I had a better selection of Sienna's, and their reliability is reported to be much better than the Honda.
Toyota Sienna Reliability and Durability: Cons
YearBody/PowertrainComment
2009 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic FWD
I had major computer (electrical?) issues - all warning lights on console lit up. Details: NHTSA.gov TSB. Multiple trips for repair and 30 days loss of use to remedy. I bought Toyota over Honda due to (TQM) quality methods. I feel somewhat cheated here.
2004 4dr Minivan, ext. 266-horsepower 3.5L V6
6-speed shiftable automatic AWD
We have had at least 8 recalls on the car We have replaced the transmission which was faulty from day one Run flat tires are horrible - bad decision