repaired · 2022 Q4
Delivery: fuel pump
Risk. If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
2018 Toyota SiennaProblems, recalls & complaints
NHTSA has logged 73 owner complaints about the 2018 Toyota Sienna, most often about the power train. It is covered by 7 safety recalls, and for recall 19V-410 the manufacturer reports only 48% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 6, 2026. Updated daily. Photo: Kevauto, CC BY-SA 4.0.
Complaints by system
Where the 2018 Toyota Sienna has problems
73 complaints grouped by the system owners reported.
21Power train
9Fuel/propulsion system
7Electrical system
5Vehicle speed control1 crash/fire/injury
5Engine
5Structure
5Air bags4 crash/fire/injury
4Seats
4Fuel system, gasoline
1110 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 21 | 0 |
| Fuel/propulsion system | 9 | 0 |
| Electrical system | 7 | 0 |
| Vehicle speed control | 5 | 1 |
| Engine | 5 | 0 |
| Structure | 5 | 0 |
| Air bags | 5 | 4 |
| Seats | 4 | 0 |
| Fuel system, gasoline | 4 | 0 |
| 10 other systems | 11 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
7 recalls
2018 Toyota Sienna recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2022 Q1
Delivery: fuel pump
Risk. If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
repaired · 2021 Q1
Foundation components: hoses, lines/piping, and fittings
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.
repaired · 2020 Q4
Steering
Risk. If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Show 3 more recalls
repaired · 2021 Q2
Other: labels
Risk. An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.
repaired · 2020 Q3
Foundation components: hoses, lines/piping, and fittings
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.
repaired · 2019 Q3
Wheels
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.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Toyota.
Best & worst years
2018 vs. every other Sienna year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sienna median. How we score
'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2018 Toyota Sienna safety ratings
2018 Toyota Sienna VAN FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 4 stars (14.0% risk)
- Stability control: Standard
- Forward collision warning: Standard
- Lane departure warning: Standard
In owners' words
What Sienna owners report
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
Since 2018–2019, our 2018 Toyota Sienna has had recurring drivability and suspected transmission problems, including stalling, failure to engage or accelerate when the accelerator is pressed, rough idle, hesitation, and harsh shifting. We reported these concerns to Toyota and filed an NHTSA…
Whining noise when accelerating, transmission shop reported discovery of damage to transmission upon removal and inspection of transmission.
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 ACT (FOIA), 5 U.S.C. 552(B)(6)
Own a 2018 Sienna?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.