2018 Toyota Sienna: Recalls, Problems & MPG
Here are the deets on the 2018 Toyota Sienna: 7 recalls, 72 owner complaints and up to 22 mpg combined.
Recalls
7 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Wheels Vehicle recall #18V130000 · 2018 · 55 vehicles
What's wrong: 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.
Why it matters: 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.
The 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.
Brakes (hydraulic) Vehicle recall #19V410000 · 2019 · 705 vehicles
What's wrong: The brake lines May have incorrect tube nut fittings installed, which May cause a pressure drop within the braking system.
Why it matters: The reduction in the braking system pressure May cause a loss of braking power in the rear braking system, increasing the risk of crash.
The fix: Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge. The recall began June 25, 2019.
Equipment Vehicle recall #19V503000 · 2019 · 1,325 vehicles
What's wrong: 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."
Why it matters: An incorrect label May lead to unintentionally overloading the vehicle, increasing the risk of a crash.
The 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.
Steering Vehicle recall #19V532000 · 2019 · 595 vehicles
What's wrong: The steering shaft extensions May have been improperly manufactured, possibly causing the extensions to fracture.
Why it matters: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
The fix: Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019.
Brakes (hydraulic) Vehicle recall #19V553000 · 2019 · 303 vehicles
What's wrong: 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.
Why it matters: 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.
The 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.
Fuel system Vehicle recall #20V012000 · 2020 · 1,830,752 vehicles
What's wrong: 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…
Why it matters: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
The fix: Toyota will notify owners, and dealers will replace the fuel pump, free of charge. The recall began May 4, 2020.
Fuel system Vehicle recall #20V682000 · 2020 · 1,525,742 vehicles
What's wrong: The low-pressure fuel pump inside the fuel tank May fail.
Why it matters: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
The 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…
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 6 injuries and 0 deaths were reported.
What owners describe
- Transmission & drivetrain (20): the most common themes are hard / delayed shifting (10), noise or vibration (5), warning light on (2).
- Other / unknown (13): the most common themes are stalls / loses power (2).
- Fuel & propulsion (9): no single recurring theme in the descriptions.
- Electrical (7): the most common themes are warning light on (2).
The 2018 Toyota Sienna has 72 owner complaints, ranking #21 of 25 Sienna model years for complaints (well below the 342 average). Complaints peaked in 2020 (18 filed that year). The typical problem showed up when the car was about 2 years old, at a median of 29,000 miles. Neighboring years: 2017 (155 complaints, 10 recalls), 2019 (45 complaints, 7 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.5 L 6-cyl | Automatic (S8) | Front-Wheel Drive | 19 | 27 | 22 | Regular |
| 3.5 L 6-cyl | Automatic (S8) | All-Wheel Drive | 18 | 24 | 20 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 Toyota Sienna.
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Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 2018 Toyota Sienna have any recalls?
Yes. NHTSA lists 7 vehicle recalls for the 2018 Toyota Sienna. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 Toyota Sienna problems?
Owners have filed 72 complaints with NHTSA. The most-reported areas are transmission & drivetrain (20), other / unknown (13), fuel & propulsion (9).
What gas mileage does the 2018 Toyota Sienna get?
EPA ratings run up to 22 mpg combined (3.5 L, Automatic (S8)), across 2 engine and transmission combos.
Where can I get a 2018 Toyota Sienna repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.