Toyota Sienna problems
428 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
Repair exposure runs above average — only with money set aside and eyes open.
- Body: 100 complaints, classified severe, failures cluster 50,200–105,000 mi
- Powertrain: 36 complaints, classified severe, failures cluster 31,000–80,000 mi
- Reliability score 7.2/10 — around the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
A Toyota sienna 2008 was turning slowly on a curve and then it suddenly accelerated very fast and went through a fence hitting a wall. The airbags opened up as well. *tr
Rear sliding doors fail to close fully resulting in the door opening while driving.
I was in an accident where a majority of my front end was completely damaged. In fact, the bumper was completely taken off with significant other damage which I have pictures off. Neither airbag deployed. Fortunately I was ok and did not sustain any injuries. I am just…
Tl* the contact owns a 2008 Toyota sienna. The contact discovered that the front driver side suspension coil spring fractured in half. The contact was a certified mechanic who diagnosed that the suspension coil spring needed to be replaced. The vehicle was not repaired. The…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2008 Toyota Sienna reliable?
Mostly yes. With a reliability score of 7.2 out of 10 based on 428 owner complaints filed with NHTSA, the 2008 Toyota Sienna is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2008 Toyota Sienna?
The 2008 Toyota Sienna is a higher-risk ownership prospect. Repair exposure runs above average — only with money set aside and eyes open. The record behind that call: Body: 100 complaints, classified severe, failures cluster 50,200–105,000 mi; Powertrain: 36 complaints, classified severe, failures cluster 31,000–80,000 mi; Reliability score 7.2/10 — around the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2008 Toyota Sienna?
Based on NHTSA records, the most-reported issue is body, with 100 complaints filed. Typical failure occurs around 76,421 miles. Average repair cost runs about $1,500 at an independent shop.
What's the most expensive thing that goes wrong?
The body is one of the costlier repair items. Average repair cost runs about $1,500 at an independent shop. Typical failure occurs around 76,421 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Toyota Sienna has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2008 Toyota Sienna?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 428 complaints on file and the costliest repair averaging $1,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.