Home · 2018 · Toyota

2018 Toyota Sienna

Buyable, but go in with open eyes: this car has specific known issues to check before money changes hands.

Recalls, complaint breakdown & inspection checklist, all in a shareable PDF

69 owner complaints · 7 recalls · data verified July 19, 2026 · source: NHTSA

Cautionwillitcar.com

Buy-rated alternatives from this era

Other 20162020 cars in the same rough price bracket with a clean, matured Buy verdict — worth cross-shopping before you commit to the 2018 Toyota Sienna.

2016
Audi A4
Buy99/100
2019
Volkswagen Passat
Buy99/100
2016
Lexus ES 350
Buy98/100

Why caution?

7 recall campaigns (5 safety-critical). Confirm every one shows "remedy completed" on the seller's VIN.

Transmission & drivetrain problems dominate (26% of complaints, typically reported near 89k miles).

Very few owner complaints for its age and sales volume.

Score breakdown, by factor

Full methodology →

#241 of 388Among the 2018 models with a matured record, the 2018 Toyota Sienna ranks #241, scoring higher than 20% of them. See the 2018 ranking →

Complaint volume96
Severity84
Recall load43
Trend65

Complaints filed per year

Fading = early teething worked out. Climbing = problems aging in.

20182026 YTD

How it crashes

NHTSA’s own crash tests, separate from the reliability score above.

5/5 overall

NHTSA 5-Star Safety Rating · 2018 Toyota Sienna VAN FWD

Front crash
Side crash
Rollover

Rollover risk in a single-vehicle crash: 14%

Stability control: StandardForward collision warning: StandardLane departure warning: Standard

No open NHTSA defect investigations on file.

NHTSA crash-test photo, 2018 Toyota Sienna VAN FWD

Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.

The road ahead

What breaks on a 2018 Toyota Sienna, plotted where owners report it happening.

030k mi60k mi90k mi120k miTransmission & drivetrain~89k mi · 18 reports

Also reported (mileage varies): Fuel system (13) · Electrical system (6) · Engine (5) · Airbags (5)

Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.

Transmission & drivetrain

26%

18 complaints · typically near 89k mi · 9 in the last 2 years

My 2018 Sienna had developed a whining noise when accelerating. After taking it in to the mechanic, they advised the transmission was failing. Estimated price tag of $…

Read the transmission & drivetrain complaints →

Fuel system

19%

13 complaints · 1 in the last 2 years

When accelerating, both from a stop and/or at speed, there is a definite hesitation. When gas pedal is pressed down, there is a noticeable pause before acceleration be…

Read the fuel system complaints →

Electrical system

9%

6 complaints · 1 in the last 2 years

APPEARS ALL THE TIME THE TIRE PRESSURE WARNING LIGHT .

Read the electrical system complaints →

Engine

7%

5 complaints · 1 in the last 2 years

MOBILITY WORKS SOLD ME A CAR,THAT HAD A RECALL,DESIGNED FOR SPECIAL NEEDS,THEY KNEW AVOUT IT PLUS THE RAMP WASNT WORKING PROPERLY,MADE ME PAY FOR AN EXPENSIVE WARRANTY…

Read the engine complaints →

Check it against this car’s mileage

Type the odometer reading on the actual car you’re looking at to see which of these problem areas owners tend to report before it, around it, or after it.

miles

We can place 1 of this model's commonly reported problem areas against a mileage. Nothing is stored.

Read all 69 owner complaints in their own words → · just the 6 crash/fire/injury reports →

Recalls (7)

Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.

Fuel System, Gasoline · 20V682000

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.

Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

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 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.

Fuel System, Gasoline · 20V012000

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.

Risk: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.

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 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.

Service Brakes, Hydraulic · 19V553000

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.

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 customer service at 1-800-488-9082.

Steering · 19V532000

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.

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.

Equipment · 19V503000

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.

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 1-888-270-9371. SET's number for this recall is SET19A.

Service Brakes, Hydraulic · 19V410000

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.

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.

Wheels · 18V130000

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.

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 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.

Questions to ask the seller

Questions worth asking the seller of this Toyota before you buy, drawn from its public record:

  1. NHTSA lists 7 recall campaigns for the 2018 Toyota Sienna. Can you run this car's VIN at nhtsa.gov/recalls and confirm each one shows "Remedy Completed"?
  2. Owners of this model report transmission & drivetrain problems more than anything else (owners tend to report it near 89k miles). Has this car shown any transmission & drivetrain symptoms, and are there repair records for it?
  3. Owners of this model report fuel system problems more than anything else. Has this car shown any fuel system symptoms, and are there repair records for it?
  4. Has this car been in any accident or had any structural, airbag, or flood-related repair? Do you have a clean title and a recent history report (Carfax / AutoCheck)?
  5. How many owners has it had, do you have the maintenance records, and why are you selling it?
  6. Are you open to me having an independent mechanic inspect it before we settle on a price?

Before you hand over money

Verify the recall work was done

NHTSA’s free lookup shows whether this exact car had its recall remedies completed.

Free NHTSA VIN check

Get a pre-purchase inspection

A $150 to $250 independent inspection of this exact 2018 Toyota SIENNA beats every score on the internet, including ours.

What to ask for

Not set on the 2018? See how every Sienna model year scores →

Cross-shopping? Compare the 2018 Toyota Sienna against another car →

What owners say

Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.

See what owners are saying about other cars →

The fine print: this verdict is computed from public NHTSA complaint and recall records for the 2018 Toyota Sienna as a model, not for any individual car. A well-maintained example of an “Avoid” can outlast a neglected “Buy”. Informational only, so always get a professional pre-purchase inspection.