NHTSA has 429 owner complaints on file for the 2008 Toyota Sienna[1]. The biggest group names the structure of the van, with 117 complaints[2].
Most reported problems
Here are the complaint groups in NHTSA's file, biggest first.
- Structure. 117 complaints[2]. Owners describe sliding doors that stick, slam shut or will not stay open. Others describe a hood that came loose, a lift gate that would not hold itself up and a sunroof that broke on its own.
- Speed Control. 51 complaints[5]. In the stories we read, owners describe the van surging ahead on its own, sometimes while braking or while using cruise control.
- Engine. 51 complaints[6]. Owners describe loud noises when the engine is cold, oil that ran low or leaked, warning lights and in a few cases smoke or fire.
- Electrical System. 45 complaints[7]. Owners describe a dead battery after lights were left on, a garage opener that would not pair and a speedometer that seemed to read off.
- Brakes. 41 complaints[8]. This group is named in the file, and we did not read its stories closely.
- Power Train. 38 complaints[9]. This group is named in the file, and we did not read its stories closely.
- Unknown Or Other. 34 complaints[10]. These reports do not fit a clear component.
- Steering. 33 complaints[11]. This group is named in the file, and we did not read its stories closely.
These are unverified owner reports, and one complaint can name more than one part.
Recalls
Newest first. Each recall covers only certain vehicles, so not every 2008 Sienna is necessarily included.
- Seats › Front Assembly › Seat Heater/Cooler (16V396), June 2016. About 7,749 vehicles are potentially affected across every model and year the recall names. The recall names these risks: fire. Dealers do the repair free of charge.[12]
- Seats › Front Assembly › Seat Heater/Cooler (14V743), November 2014. About 3,233 vehicles are potentially affected across every model and year the recall names. The recall names these risks: injury, burns. Dealers do the repair free of charge.[13]
- Tires › Temporary/Emergency Spare Tire (14V273), May 2014. About 419,520 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, parts separating. Dealers do the repair free of charge.[14]
- Power Train › Automatic Transmission (13V429), September 2013. About 614,722 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, reduced braking, the car rolling away. Dealers do the repair free of charge.[15]
- Structure (10V160), April 2010. About 600,000 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash, parts separating.[16]
- Equipment › Other › Labels (10V036), February 2010. About 153,418 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash. Dealers do the repair free of charge.[17]
- Equipment › Other › Labels (10V035), February 2010. About 271,417 vehicles are potentially affected across every model and year the recall names. Dealers do the repair free of charge.[18]
- Equipment › Other › Labels (09V234), June 2009. About 2,204 vehicles are potentially affected across every model and year the recall names. Dealers do the repair free of charge.[19]
- Equipment › Other › Labels (09V223), June 2009. About 27,080 vehicles are potentially affected across every model and year the recall names. The recall names these risks: a crash. Dealers do the repair free of charge.[20]
Fuel economy
EPA ratings depend on the engine and drive. Annual fuel cost uses EPA's current fuel price assumptions, not prices when the car was new.
Safety ratings
| Version | Overall | Frontal | Side | Rollover | Rollover risk |
|---|---|---|---|---|---|
| 5 HB AWD/RWD[22] | n/a | n/a | n/a | 4 | 16.9% |
Engine and size
These are Canadian-market specifications from Transport Canada, so US models can differ slightly.
How 2008 compares with other years
Show the numbers
| Model year | Complaints | Recalls |
|---|---|---|
| 1998 | 294 | 2 |
| 1999 | 215 | 2 |
| 2000 | 363 | 1 |
| 2001 | 180 | 2 |
| 2002 | 181 | 1 |
| 2003 | 105 | 1 |
| 2004 | 2,062 | 10 |
| 2005 | 1,130 | 12 |
| 2006 | 1,017 | 11 |
| 2007 | 364 | 10 |
| 2008 | 429 | 9 |
| 2009 | 207 | 10 |
| 2010 | 172 | 8 |
| 2011 | 615 | 14 |
| 2012 | 247 | 9 |
| 2013 | 183 | 6 |
| 2014 | 163 | 6 |
| 2015 | 233 | 6 |
| 2016 | 76 | 5 |
| 2017 | 155 | 10 |
| 2018 | 72 | 7 |
| 2019 | 45 | 7 |
| 2020 | 38 | 2 |
| 2021 | 45 | 4 |
| 2022 | 21 | 4 |
| 2023 | 71 | 2 |
| 2024 | 69 | 3 |
| 2025 | 267 | 5 |
| 2026 | 17 | 0 |
NHTSA's counts for the Sienna show 429 complaints and 9 recalls for 2008[3]. Among the 29 model years listed, 24 have fewer complaints than 2008 and 4 have more[3]. The fewest complaints are for 2026 (17) and the most are for 2004 (2,062)[3]. These counts are not adjusted for sales, so treat them as a rough guide. The chart above shows every year.
Should you buy a used 2008 Sienna?
The 2008 Sienna has a large complaint file at 429 reports[1]. Structure leads the list at 117 complaints[2], so check the doors, hood latch and lift gate on any van you look at. Speed control and engine each have 51 complaints[5][6]. The file also shows 9 recalls for this year[3]. Complaint counts are not adjusted for sales, so treat them as a guide to what owners reported and not as a score.
Frequently asked questions
- What are the most common problems with the 2008 Toyota Sienna?
- Structure is the biggest group, with 117 complaints[2]. Owners describe sliding doors, the hood and the lift gate. Speed control and engine follow with 51 complaints each[5][6].
- Does the 2008 Toyota Sienna have any recalls?
- Yes, the file shows 9 recalls for this year[3]. They are listed in the Recalls section of this page.
- How many complaints are there for the 2008 Toyota Sienna?
- NHTSA has 429 owner complaints on file[1]. They are unverified and not adjusted for sales.
- What gas mileage does the 2008 Toyota Sienna get?
- See the fuel economy section of this page for the EPA figures.
Keep exploring
Other model years of the Toyota Sienna
Compare all model years of the Toyota Sienna
Other Toyota models from 2008
- 2008 Toyota FJ Cruiser
- 2008 Toyota Highlander
- 2008 Toyota Land Cruiser
- 2008 Toyota Prius
- 2008 Toyota Sequoia
- 2008 Toyota Yaris
Similar cars from 2008: minivans
Facts and sources
- NHTSA has 429 owner complaints on file for the 2008 Toyota Sienna (37 mention a crash, 4 a fire, 19 injuries, 0 deaths reported). NHTSA vehicle records
- 117 complaints name the structure component group (4 crashes, 0 fires, 8 injuries, median mileage at failure 81,850). NHTSA vehicle records
- Owner complaints and recalls for every Toyota Sienna model year (chart above). NHTSA recall database
- EPA rating for Sienna 2WD, 3.5L 6-cyl, Automatic 5-spd, Regular, Front-Wheel Drive: 17 city / 23 highway / 19 combined MPG; EPA estimated annual fuel cost $3,550. EPA / DOE fueleconomy.gov
- 51 complaints name the speed control component group (22 crashes, 0 fires, 5 injuries, median mileage at failure 43,000). NHTSA vehicle records
- 51 complaints name the engine component group (1 crashes, 2 fires, 0 injuries, median mileage at failure 75,650). NHTSA vehicle records
- 45 complaints name the electrical system component group (0 crashes, 1 fires, 1 injuries, median mileage at failure 71,010). NHTSA vehicle records
- 41 complaints name the brakes component group (6 crashes, 0 fires, 0 injuries, median mileage at failure 95,000). NHTSA vehicle records
- 38 complaints name the power train component group (6 crashes, 0 fires, 3 injuries, median mileage at failure 56,000). NHTSA vehicle records
- 34 complaints name the unknown or other component group (1 crashes, 0 fires, 1 injuries, median mileage at failure 89,718). NHTSA vehicle records
- 33 complaints name the steering component group (0 crashes, 0 fires, 0 injuries, median mileage at failure 97,000). NHTSA vehicle records
- Recall 16V396, filed June 2, 2016: Seats › Front Assembly › Seat Heater / Cooler. NHTSA recall database
- Recall 14V743, filed November 19, 2014: Seats › Front Assembly › Seat Heater / Cooler. NHTSA recall database
- Recall 14V273, filed May 22, 2014: Tires › Temporary / Emergency Spare Tire. NHTSA recall database
- Recall 13V429, filed September 26, 2013: Power Train › Automatic Transmission. NHTSA recall database
- Recall 10V160, filed April 20, 2010: Structure. NHTSA recall database
- Recall 10V036, filed February 3, 2010: Equipment › Other › Labels. NHTSA recall database
- Recall 10V035, filed February 3, 2010: Equipment › Other › Labels. NHTSA recall database
- Recall 09V234, filed June 25, 2009: Equipment › Other › Labels. NHTSA recall database
- Recall 09V223, filed June 15, 2009: Equipment › Other › Labels. NHTSA recall database
- EPA rating for Sienna 4WD, 3.5L 6-cyl, Automatic 5-spd, Regular, 4-Wheel or All-Wheel Drive: 16 city / 21 highway / 18 combined MPG; EPA estimated annual fuel cost $3,700. EPA / DOE fueleconomy.gov
- NHTSA 5-Star Safety Ratings, 5 HB AWD/RWD: rollover 4 stars; rollover risk 16.9%. NHTSA vehicle records
- Transport Canada specifications via NHTSA vPIC, SIENNA AWD XLE AWD LIMITED: length 201 in, width 77 in, height 69 in, wheelbase 119 in, curb weight 4,365 lb (converted from centimeters and kilograms). vpic.nhtsa.dot.gov
- Transport Canada specifications via NHTSA vPIC, SIENNA FWD CE/LE: length 201 in, width 77 in, height 69 in, wheelbase 119 in, curb weight 4,145 lb (converted from centimeters and kilograms). vpic.nhtsa.dot.gov