Toyota · Sienna · 2018
2018 Toyota Sienna: problems & reliability
NHTSA has logged 72 owner complaints and 7 safety recalls for the 2018 Toyota Sienna. The most-reported problem area is the transmission & powertrain (28% of complaints), followed by fuel system and electrical system. Make sure every open recall has been fixed by a dealer before you buy.
Common 2018 Toyota Sienna problems
5-
Transmission & powertrain problems
20 owner complaints to NHTSA (28% of all complaints for this model year) involve the transmission & powertrain. One owner reported: “Whining noise when accelerating, transmission shop reported discovery of damage to transmission upon removal and inspection of transmission.”
-
Fuel system problems
13 owner complaints to NHTSA (18% of all complaints for this model year) involve the fuel system. One owner reported: “Hi, I’d like to report a serious issue with my 2018 Toyota Sienna related to the recent fuel system recall. Since the repair, the vehicle has leaked all of its gasoline not once, but three separate times. One of those times, my family was…”
-
Electrical system problems
7 owner complaints to NHTSA (10% of all complaints for this model year) involve the electrical system. One owner reported: “Odometer Fraud. The contact purchased a 2018 Toyota Sienna. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the mileage was 49,000. While attempting to resell the vehicle…”
-
Airbags problems
5 owner complaints to NHTSA (7% of all complaints for this model year) involve the airbags, including 4 crashes, 5 injuries. One owner reported: “The contact owned a 2018 Toyota Sienna The contact stated while driving 70 MPH, the contact was rear-ended and the vehicle lost control and the vehicle rolled over multiple times and fell into a ditch. The contact stated that the side air…”
-
Body & structure problems
5 owner complaints to NHTSA (7% of all complaints for this model year) involve the body & structure. One owner reported: “The front passenger side bumper snap(s) comes undone, by air flow, as vehicle travels down the road - this causes further tearing of the supporting plastic frame. Local Toyota dealership says this initially was caused by a driver of the…”
Owner complaints by area
| Area | Complaints | Share | Chart |
|---|---|---|---|
| Transmission & powertrain | 20 | 28% | |
| Fuel system | 13 | 18% | |
| Electrical system | 7 | 10% | |
| Airbags | 5 | 7% | |
| Body & structure | 5 | 7% | |
| Engine | 5 | 7% | |
| Speed control & acceleration | 5 | 7% | |
| Seats | 4 | 6% |
72 complaints filed with NHTSA in total, reporting 5 crashes, 6 injuries. A complaint can involve more than one area.
2018 Toyota Sienna recalls
7-
Fuel system, gasoline › Delivery › Fuel pump
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Remedy: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Note: This recall is an expansion of recall 20V-012. Toyota's number for this recall is 20TA02. Lexus' number for this recall is 20LA01.
Full recall summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus IS350, 2018-2020 Lexus LC500, 2018 Lexus LS500, 2019 Lexus LS500h, 2018-2019 Lexus LX570, 2017 Lexus RC200t, 2019 Lexus RC300, RC350, 2017 and 2019-2020 Lexus RX350, 2018-2020 RX350L, 2019 Lexus UX200, 2018-2019 Lexus NX300 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
-
Fuel system, gasoline › Delivery › Fuel pump
Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Remedy: Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began May 4, 2020. Owners may contact Toyota customer service at 1-888-270-9371 or Lexus customer service at 1-800-255-3987. Toyota's numbers for this recall are 20TB02 and 20TA02 for Toyota vehicles and 20LB01 and 20LA01 for Lexus vehicles.
Full recall summary
Toyota Motor Engineering & Manufacturing (Toyota) recalled certain 2018-2019 4Runner, Highlander, Camry, Land Cruiser, Sequoia, Sienna, Tacoma and Tundra, and Lexus RC 300, RC 350, GS 350, GX 460, IS 300, LC 500, LS 500, LX 570, RX 350L, and 2019 Toyota Avalon and Corolla, and certain Lexus NX 300, and ES 350 vehicles on January 13, 2020. On March 4, 2020, Toyota expanded the recall to include certain 2014-2015 Toyota 4Runner and Land Cruiser, 2018 Avalon, Corolla, 2014 FJ Cruiser, 2017 Sienna and Lexus 2018 ES 350, 2018-2019 GS 300, 2013-2014 GS350, 2014-2015 GX 460, IS 350 and LX 570, 2014 IS F, 2018-2019 IS 350, LC 500H and LS 500H, 2013-2015 LS 460, 2015 NX 200T and RC350, 2017 RC 200T and RX 350. Toyota also removed the 2018-2019 Toyota 4Runner and Land Cruiser and 2018-2019 Lexus GX 460 and LX 570 and 2019 NX300 from inclusion in this recall. On March 19, 2020, Toyota expanded the recall to include 2015 Lexus GS350 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
-
Service brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
Risk: The contact may cause failure of the rear brake hoses, resulting in a loss of vehicle control and reduced braking ability, increasing the risk of a crash.
Remedy: Vantage will notify owners, and dealers will install a set of rear brake hoses that will provide the proper clearance, free of charge. The recall began December 16, 2019. Owners may contact Vantage customer service at 1-800-488-9082.
Full recall summary
Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles. The rubber brake hoses that attach to the rear wheel assembly may be too short, causing them to rub against the rear axle trailing arm.
-
Steering
Risk: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Remedy: Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
Full recall summary
Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture.
-
Equipment › Other › Labels
Risk: An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.
Remedy: SET will notify owners and provide a corrected label for placement over the inaccurate label, free of charge. The recall began August 23, 2019. Owners may contact Toyota customer service at 1-888-270-9371. SET's number for this recall is SET19A.
Full recall summary
Southeast Toyota Distributors, LLC (SET) is recalling certain 2017-2019 Toyota Camry, Corolla, Rav4, Sienna, and Yaris iA vehicles equipped with factory-installed floor mats. The load carrying capacity modification label may be incorrect. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."
-
Service brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
Risk: The reduction in the braking system pressure may cause a loss of braking power in the rear braking system, increasing the risk of crash.
Remedy: Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge. The recall began June 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
Full recall summary
Braun Corporation (Braun) is recalling certain 2014-2019 Toyota Sienna mobility van conversions. The brake lines may have incorrect tube nut fittings installed, which may cause a pressure drop within the braking system.
-
Wheels
Risk: If the wheels crack at the spokes, the wheel may separate from the hub assembly causing a loss of vehicle control and increasing the risk of a crash.
Remedy: Toyota began notifying owners initially by phone on February 26, 2018 and will mail letters to any unnotified owner starting on April 20, 2018. Dealers will inspect the wheels and replace them if necessary depending on their production location, free of charge. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0J.
Full recall summary
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Toyota Sienna vehicles built with a specific lot of 10-spoke alloy wheels from one production facility. These wheels may not have been properly cooled during manufacturing. As a result, the wheels may crack in the spokes from an impact while driving.
Recall repairs are free at any franchised dealer. To check whether a specific car’s recalls have been repaired, enter its VIN at nhtsa.gov/recalls.
2018 Toyota Sienna crash-test ratings
NHTSA 5-Star Safety Ratings for the 2018 Toyota Sienna VAN FWD. Ratings can differ between body styles and drivetrains (2 versions tested or listed).
How fast will a 2018 Toyota Sienna lose value?
Enter what you'd pay and how much you drive to see the projected resale value.
Enter a purchase price to see the projection.
Estimate based on typical age-based depreciation, this model year's reliability score and mileage. Actual resale depends on condition, trim, location and history.
Specifications
- Drivetrains
- FWD, AWD
- Body styles
- Van
Other Toyota Sienna years
About this data
Problems, complaint counts, recalls and crash-test ratings come from the U.S. National Highway Traffic Safety Administration (NHTSA) public databases, last checked 2026-11-03. Complaints are reports from owners and have not all been verified by NHTSA.
How we score reliability: every model year starts at 100. Points come off for the number of owner complaints (on a log scale, up to 40 points), for each safety recall (2 points each, up to 15) and for complaints involving crashes, fires, injuries or deaths (up to 15). Popular vehicles get more complaints simply because more are on the road, so compare scores between similar vehicles. More about our method.
Spotted a mistake? Tell us.