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ProblemsByVin File / 2018-TOYOTA-SIENNA
2018 · toyota

toyota Sienna problems

2 safety recalls. 67 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
7.6 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
2
Severe
0
Moderate

Top trouble spots 5 categories with 3+ complaints

powertrain
16 reports · avg $2,500
moderate
electrical
6 reports · avg $850
moderate
airbags
4 reports · avg $1,100
severe
body
4 reports · avg $1,500
moderate
fuel system
4 reports · avg $1,200
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2018 Sienna · tires
TL* THE CONTACT OWNS A 2018 TOYOTA SIENNA EQUIPPED WITH FOUR BRIDGESTONE TURANZA TIRES, SIZE: 235/55/18 (NA). THE CONTACT STATED THAT THE INSIDE SHOULDER OF EACH TIRE EXPERIENCED SEVERE WEAR. THE VEHICLE WAS TAKEN TO MY AUTO IMPORTS TOYOTA (1860 EAST STERNBURG RD, MUSKEGON, MI),…
11/25/2019 · NHTSA ODI #11282167.0
2018 Sienna · other
1. EVEN TO GO ON A SMALL UPHILL SLOPE, THE VEHICLE(V6) REALLY STRUGGLES. AND WHEN I TRY TO ACCELERATE, IT KIND OF STALLS OR SLOWS DOWN FOR A MOMENT, THEN TRIES TO SPEED UP BUT ITS STILL VERY SLOW. I'M FACING THIS ISSUE EVERY DAY. MY OTHER CAR 2011 CAMRY(V4) IS VERY SMOOTH AT THE…
11/20/2018 · NHTSA ODI #11152940.0
2018 Sienna · other
I HAVE A QUESTION REGARDING VEHICLE SEAT MOVEMENT. I HAVE BEEN TOLD BY TWO DEALERSHIPS THAT THE SEATS IN THE THIRD ROW OF THE TOYOTA SIENNA ARE MEANT TO HAVE SOME PLAY TO THEM. MY MAIN CONCERN IS THAT WITH A COUPLE OF CAR SEATS IN THE THIRD ROW, OR A COUPLE OF PASSENGERS, THE…
11/08/2018 · NHTSA ODI #11150111.0
2018 Sienna · wheels
ORIGINAL TIRES AT 17K, MY 2018 SIENNA IS SHOWING EXCESSIVE WEAR ON THE OUTSIDE OF THE FRONT TIRES. ALIGNMENT CHECKED, IT IS FINE.
10/16/2020 · NHTSA ODI #11364602.0

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Active recalls showing 2 of 2

severe NHTSA 19V553000 25/07/2019

Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles

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.
severe NHTSA 18V130000 22/02/2018

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

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.

Common questions

Is the 2018 Toyota Sienna reliable?

Mostly yes. With a reliability score of 7.6 out of 10 based on 67 owner complaints filed with NHTSA, the 2018 Toyota Sienna is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2018 Toyota Sienna?

Based on NHTSA records, the most-reported issue is powertrain, with 16 complaints filed. Average repair cost runs about $2,500 at an independent shop.

What's the most expensive thing that goes wrong?

The powertrain is one of the costlier repair items. Average repair cost runs about $2,500 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Toyota Sienna has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2018 Toyota Sienna?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 67 complaints on file and the costliest repair averaging $2,500, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 16 hours ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with toyota. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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