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#BS-2008-TOYSIE-5568

2008 Toyota Sienna

Based on reports from 569 owners and 9 recalls for this exact model.

Complaints
569
Crashes
49
Fires
5
Recalls
9
TSBs
247
🛑

Preliminary Verdict

Red Flag

Based on 569 complaints, 49 crashes, 5 fires, and 9 recalls. Complaint rate is 2.2x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

premature tire wear

6 complaints • Severity 8/10

$X,XXX
2

transmission failure

4 complaints • Severity 9.5/10

$X,XXX
3

ac stopped blowing cold air

3 complaints • Severity 8/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Structure:bodyHIGH

64 owners reported structure:body issues — failures commonly reported around 79K miles.

!Inspect the Speed ControlMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

84
0–30K
94
30–60K
104
60–90K
88
90–120K
42
120–150K
55
150K+

Peak failure range: 60–90K miles (104 reports) • Median: 79K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Structure:body (64 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Structure:body64 (11%)
Speed Control51 (9%)
Engine46 (8%)
Electrical42 (7%)
Other41 (7%)
Brakes40 (7%)
Steering33 (6%)
Stability Control29 (5%)

2008 Toyota Sienna: Known Issues & Problem Areas

Structure:body Issues

Structure:body complaints account for 11% of all reports filed for the 2008 Toyota Sienna, with 64 owners filing complaints with NHTSA. The median mileage at time of complaint is 79,000 miles, suggesting issues tend to surface around the 79K-mile mark.

Speed Control Issues

Speed Control complaints account for 9% of all reports filed for the 2008 Toyota Sienna, with 51 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Engine Issues

Engine complaints account for 8% of all reports filed for the 2008 Toyota Sienna, with 46 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 7% of all reports filed for the 2008 Toyota Sienna, with 42 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

2
07
9
08
22
09
81
10
27
11
26
12
46
13
66
14
62
15
48
16
33
17
45
18
31
19
33
20
15
21
13
22
4
23
2
24
4
25

Complaints filed with NHTSA by year for the 2008 Toyota Sienna. Recent trend: increasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (9 recalls)

09V223000Sep 2009

EQUIPMENT:OTHER:LABELS

TOYOTA IS RECALLING 27,080 MODEL YEAR 2005 THROUGH 2010 PASSENGER CARS BUILT FROM SEPTEMBER 1, 2005 TO MAY 4, 2009. THESE VEHICLES WERE NOT EQUIPPED WITH LOAD CARRYING CAPACITY MODIFICATION LABELS WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS."

09V234000Dec 2009

EQUIPMENT:OTHER:LABELS

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2009 SIENNA AND 2009 LEXUS GX PASSENGER VEHICLES. THE VEHICLE CAPACITY WEIGHT ON THE TIRE AND LOADING INFORMATION LABEL AND THE GVWR ON THE CERTIFICATION LABEL IS INSUFFICIENT FOR CERTAIN VEHICLES. SOME VEHICLES WERE ACCESSORIZED THROUGH VEHICLE PROCESSING CENTERS AND HAD ACCESSORIES INSTALLED THAT CAUSED THE VEHICLE TO EXCEED THE GVWR VALUE. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO 110, "TIRE SELECTION AND RIMS," AND 49 CFR PART 567.

10V035000May 2010

EQUIPMENT:OTHER:LABELS

GULF STATES TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2010 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD BETWEEN SEPTEMBER 1, 2005 AND JUNE 2, 2008 WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

10V036000May 2010

EQUIPMENT:OTHER:LABELS

SOUTHEAST TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2011 PASSENGER VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SOLD WITHOUT THE REQUISITE LOAD CARRYING CAPACITY MODIFICATION LABELS.

10V160000Oct 2010

STRUCTURE

TOYOTA IS RECALLING CERTAIN MODEL YEAR 1998 THROUGH 2010 SIENNA PASSENGER VEHICLES MANUFACTURED BETWEEN AUGUST 7, 1997 AND JANUARY 4, 2010, CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON DISTRICT OF COLUMBIA, VIRGINIA, WEST VIRGINIA, AND WISCONSIN. THE SUBJECT VEHICLES ARE EQUIPPED WITH THE SPARE TIRE STOWED UNDER THE VEHICLE. IF THE VEHICLE IS OPERATED IN THE COLD CLIMATE REGIONS OF THE UNITED STATES WHERE ROAD SALT IS FREQUENTLY USED, WATER SPLASHED BACKWARDS WITH HIGH CONCENTRATIONS OF ROAD SALT CAN REACH THE SPARE TIRE CARRIER AND CORRODE THE SPARE TIRE CARRIER ASSEMBLY CABLE.

+ 4 more recalls in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Toyota Sienna is the 2007 — worth knowing if you're cross-shopping years. The biggest problem area is accessories - interior.

2008 Toyota Sienna vs. Class Average (Minivan - 2WD)

This vehicle

569

Class avg

258

2.2x the class average — significantly more complaints than typical minivan - 2wd vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 569 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 9 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Toyota Sienna Model Years

2020201920182017201620152014201320122011201020092008200720062005200420032002200120001999199819971996
View all Toyota Sienna years →

2008 Toyota Sienna: Frequently Asked Questions

What is the most common problem with the 2008 Toyota Sienna?
The most commonly reported issue with the 2008 Toyota Sienna is related to the structure:body, with 64 complaints filed with NHTSA.
Is the 2008 Toyota Sienna reliable?
The 2008 Toyota Sienna has 569 complaints, 49 crash reports, and 5 fire reports filed with NHTSA. This is 2.2x the class average — higher than typical for its segment.
How much does it cost to fix 2008 Toyota Sienna problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2008 Toyota Sienna have any recalls?
Yes, the 2008 Toyota Sienna has 9 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Toyota Sienna problems start?
Based on 467 complaints with mileage data, the median mileage at time of complaint is 79,000 miles. The highest concentration of reported issues occurs in the 60–90K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 569 owner reports. Know before you buy.

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