2018 Toyota Sienna Problems, Recalls & Reliability
86 owner complaints sit in the federal file for the 2018 Toyota Sienna, alongside 7 recall campaigns and 0 defect investigations. It scores 3/100 on the trouble index — one of this model's quieter years. Transmission & drivetrain leads the reports.
One of the quieter years. Relative to its siblings, the 2018 Toyota Sienna has drawn well-below-average complaint volume with at least four years on the road.
Better year
Where 2018 sits among all Sienna years
What owners report
Mileage when trouble shows up
Among the 44 reports that include an odometer reading, problems most often appear around 24,000 miles. Half of those reports fall between 8,020 and 55,000 miles — a useful range to weigh against the mileage of the exact car you're looking at.
Recalls (7)
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…
Fix: 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…
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…
Fix: 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…
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…
Fix: 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…
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.
Fix: 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.
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…
Fix: 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…
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.
Fix: 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.
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…
Fix: 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…
Technical service bulletins
300 manufacturer communications — service bulletins, the biggest share on electrical and body & structure — are on file for the 2018 Toyota Sienna. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
See the 2018 Sienna TSB list →
Complaint history for this model year
When owners filed their reports — a long tail means problems kept surfacing for years.
Questions buyers ask
Is the 2018 Toyota Sienna reliable?
The 2018 Toyota Sienna drew 86 complaints in federal safety records — one of this model's quieter years. Its trouble index is 3/100, scored against the model's worst year (2004).
What are the most common 2018 Toyota Sienna problems?
The top reported problems for the 2018 Toyota Sienna are transmission & drivetrain (18 complaints), other (16), and fuel system (13).
At what mileage do 2018 Toyota Sienna problems show up?
Owners most often report 2018 Toyota Sienna problems around 24,000 miles. Half of all reports that include an odometer reading fall between 8,020 and 55,000 miles.
Does the 2018 Toyota Sienna have recalls?
7 recall campaigns apply to the 2018 Toyota Sienna. Recall repairs are free at any franchised dealer.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.