The Lemon Index

All cars · Toyota Sienna · 2018

2018 Toyota Sienna. Advanced data.

The raw numbers: engines, recall campaign numbers, failure mileage and manufacturer communications.

Lemon Index45100 = average car
Complaints44NHTSA, first 3 years
Sold87,672U.S. model year
Per 100K sold50complaints
Year rank#6 of 21#1 = fewest complaints

Engines and drivetrains 2

EngineTransmissionDriveCity / hwy / combinedFuelFuel cost/yr
3.5L 6-cylAuto (S8)FWD19 / 27 / 22Regular$2,850
3.5L 6-cylAuto (S8)AWD18 / 24 / 20Regular$3,100

EPA test versions for this model year. Fuel cost is the EPA's current estimate, not the price in that year.

Failure mileage by system

Half of owners who gave a mileage reported the problem between 4,600 and 56,700 miles. Median 29,000, from 38 complaints with a mileage.

SystemMedianMiddle halfComplaints
Transmission & drivetrain35,0007,200–129,0005

Mileage owners typed into their NHTSA complaint, all complaints for this model year. People report some problems late, so read it as a range.

Complaints by system

SystemShare of complaints
Transmission & drivetrain14%
Speed control11%
Fuel or ev drive system11%
Body structure9%
Fuel system, gasoline9%

One complaint can name more than one system, so shares can add to more than 100%.

Severity, all complaints

TotalCrashesFiresInjuriesDeathsTows
7250304

As reported by owners to NHTSA. Not verified.

Recall campaigns 7

  • 20V682000 Nov 2020 Fuel System, Gasoline / Delivery / Fuel Pump

    Defect. 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

    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 cust

  • 20V012000 Jan 2020 Fuel System, Gasoline / Delivery / Fuel Pump

    Defect. 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

    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.

  • 19V553000 Jul 2019 Service Brakes, Hydraulic / Foundation Components / Hoses, Lines/Piping, And Fittings

    Defect. 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.

    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.

  • 19V532000 Jul 2019 Steering

    Defect. 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.

    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.

  • 19V503000 Jun 2019 Equipment / Other / Labels

    Defect. 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."

    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.

  • 19V410000 Jun 2019 Service Brakes, Hydraulic / Foundation Components / Hoses, Lines/Piping, And Fittings

    Defect. 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.

    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.

  • 18V130000 Feb 2018 Wheels

    Defect. 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.

    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.

Manufacturer communications 300

Toyota filed 300 service communications for this car with NHTSA.

  • Currently under investigation

Crash ratings by version

VersionOverallFrontSideRollover
Toyota Sienna VAN FWD★★★★★★★★★☆★★★★★★★★★☆
Toyota Sienna VAN AWD★★★★★★★★★☆★★★★★★★★★☆

Safety equipment

Electronic stabilityForward collision warningLane departure warning
StandardStandardStandard

Nearby model years

YearLemon IndexComplaintsSoldTop system
201599132137,497Body structure
20164559127,791Body structure
20176073111,489Wheels
2018454487,672Transmission & drivetrain
2019403273,585Fuel or ev drive system
20201622150,875Engine

Sources: NHTSA complaints, recalls, investigations and manufacturer communications; EPA fuel economy data; YouTube video titles. Complaints are owner reports, not proof of a defect.

Updated

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