2018 Toyota Sienna reliability

Is it reliable?

The 2018 Toyota Sienna has 71 complaints with NHTSA after 9 years, or 12 per year. That is more complaints per year than most Sienna years here — over the median of the other years, which is 9. NHTSA has 7 recalls on file, including Fuel pump, Hoses and fittings, and Steering.

Complaints

Per year

Recalls

Years on the road

What owners report

The complaints owners file most often name Powertrain (19 of 71), then Fuel and propulsion system (9) and Electrical system (7). Those filings include 5 that report a crash and 3 that report an injury.

Next to 2017 and 2019

The 2017 Sienna has 154 complaints, 21 per year, and the 2019 has 45 complaints, 7 per year. The 2018 has fewer complaints per year than the 2017. The 2018 has more complaints per year than the 2019.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2018 Toyota Sienna. How we count. Data as of 2026-10-16.

Recalls (7)

Recall Fuel pump 2020-11-04 · NHTSA campaign 20V682000

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.

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.

Recall Fuel pump 2020-01-13 · NHTSA campaign 20V012000

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.

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.

Recall hydraulic brakes, foundation components, hoses and fittings 2019-07-25 · NHTSA campaign 19V553000

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.

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.

Recall Steering 2019-07-16 · NHTSA campaign 19V532000

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.

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.

Recall Labels 2019-06-28 · NHTSA campaign 19V503000

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."

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.

Recall hydraulic brakes, foundation components, hoses and fittings 2019-06-04 · NHTSA campaign 19V410000

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.

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.

Recall Wheels 2018-02-22 · NHTSA campaign 18V130000

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.

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.

Complaints by component (71 total)

Powertrain

Fuel and propulsion system

Electrical system

Air bags

Engine

Speed control

Structure

Fuel system, gasoline

Seats

Service brakes

Adaptive and mobility equipment

Child seat

Exterior lighting

Interior lighting

Suspension

Tires

Visibility

Visibility and wipers

Wheels

Show 11 more Show less

Crash-flagged

Fire-flagged

Injury reports

Death reports

Complaints filed per year

Excerpts from recent NHTSA complaint filings

"Transmission whining above 20mph. Toyota customer care program [XXX] states my vehicle falls within timeframe but dealer and corporate will not honor repairs INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION…"
Powertrain · filed 2026-09-17
"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…"
Electrical system · filed 2026-09-02
"Vehicle: 2018 Toyota Sienna XLE AWD, VIN [XXX], approximately 112,000 miles. Component: Power Train / Automatic Transmission (UA80F 8-speed). The vehicle has developed a pronounced whining noise from the transmission…"
Powertrain · filed 2026-07-14
"Since owning my 2018 Toyota Sienna, I have experienced hesitation and erratic shifting with my transmission. I have the UA80E transmission which upon research others are experiencing issues with as well. It appears…"
Powertrain · filed 2026-06-21
"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 $6500-7000 to repair. The vehicle has less than 140K…"
Powertrain · filed 2026-02-23

NHTSA crash ratings

Version	Overall	Front	Side	Rollover
2018 Toyota Sienna VAN AWD	5 stars	4 stars	5 stars	4 stars
2018 Toyota Sienna VAN FWD	5 stars	4 stars	5 stars	4 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim	Engine	Transmission	Drive	City	Hwy	Combined	Annual fuel cost
Sienna two-wheel drive	3.5L, 6-cyl	Automatic (8-speed)	Front-wheel drive	19	27	22 MPG	$2950
Sienna all-wheel drive	3.5L, 6-cyl	Automatic (8-speed)	All-wheel drive	18	24	20 MPG	$3250

Specs and fitment

3rd generation (XL30), 2012–2020

Body styles Minivan

Oil 0W-20 (3.5L V6; confirm viscosity in the owner’s manual for your year) , 6.4 qt capacity

Tire size P235/60R17 (L, LE), P235/55R18 (Limited/Limited Premium FWD), P235/55RF18 (AWD), P235/50R19 (SE/SE Premium)

Towing capacity 3,500 lbs

Known issues for this generation

Recall 16V-858 (Toyota G04) covers certain 2011-2016 Toyota Sienna minivans: if a power sliding door cannot open when commanded, such as when frozen shut, it may later open unexpectedly, possibly while the vehicle is moving. The campaign covers 744,437 vehicles for this recall. Dealers replace the junction block, rear sliding door wire harnesses, and install two sub wire harnesses at no charge. Recall 20V-682 (Toyota 20TA02, an expansion of 20V-012) covers certain 2017-2020 Sienna vehicles among many other Toyota and Lexus models: the low-pressure fuel pump inside the fuel tank may fail, which can stall the engine while driving. The campaign covers 1,525,742 vehicles across those models. Toyota dealers replace the fuel pump assembly with an improved one at no charge.

Compare

Previous year 2017 Toyota Sienna Next year 2019 Toyota Sienna See every Toyota Sienna model year →

Frequently asked questions

Is the 2018 Toyota Sienna reliable?

What are common problems with a 2018 Toyota Sienna?

Is the 2018 Toyota Sienna more reliable than the years next to it?

The 2017 Sienna has 154 complaints, 21 per year, and the 2019 has 45 complaints, 7 per year. The 2018 has fewer complaints per year than the 2017. The 2018 has more complaints per year than the 2019.

Has the 2018 Toyota Sienna been recalled?

The 2018 Toyota Sienna has 7 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2018 Toyota Sienna?

Owners have filed 71 complaints about the 2018 Toyota Sienna with NHTSA.

What mpg does a 2018 Toyota Sienna get?

EPA-rated combined fuel economy for the 2018 Toyota Sienna is 21 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What generation is the 2019 Toyota Sienna?

3rd generation XL30 (2012-2020 in the US catalog).

Is every US Toyota Sienna a hybrid?

From the 2021 model year onward, the Sienna is sold in the US only as a 2.5-liter hybrid; 2012-2020 models used a 3.5-liter V6.

How much can a Toyota Sienna tow?

Toyota lists a maximum towing capacity of 3,500 lb when properly equipped on recent US Sienna product information.