2018 Toyota Sienna: common problems and reliability

The 2018 Toyota Sienna has 68 owner-filed NHTSA complaints and 7 recalls on record. The most-reported areas are power train and fuel/propulsion system. Owners most often flag engine issues (specific older models): timing chain/crankshaft codes (p001500, p001700) on a brand-new 2025 model; oil/coolant leaks and timing chain failure on a 2015 model. frequency: isolated.

Safety record for the 2018 model year

68
Owner complaints
7
Recalls
5
Crash reports
0
Fire reports

Source: NHTSA complaints and recalls filed for 2018 Toyota Sienna vehicles (US, public record).

Is 2018 a good year for the Sienna?

Across the 6 Sienna model years we track, complaint volume runs from 2 (1997) to 190 (2001). With 68 complaints, the 2018 Sienna sits belowthe model's median of 116.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

power train
17
fuel/propulsion system
9
electrical system
6
engine
5
air bags
5

Recalls affecting the 2018 Sienna

fuel system, gasoline:delivery:fuel pump

Campaign 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 T

fuel system, gasoline:delivery:fuel pump

Campaign 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,

steering

Campaign 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.

service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings

Campaign 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.

What owners say across generations

Overwhelmingly positive sentiment regarding long-term reliability, practicality, and fuel efficiency, particularly for the hybrid models (2021+).

  • Transmission problems (2017 models): Jerkiness, shifting issues, high-speed freeway problems, and expired customer service programs for repairs. Frequency: recurrent.
  • Infotainment/system glitches (2025 models): Profile and key fob pairing failures, unresponsive screens. Frequency: isolated.

Owner insights cover all generations of the Sienna. See the full Sienna owner picture and every model year.

Typical used price

Used Sienna listings typically run $16,832–$28,494 across 2013 to 2026 model years.

Other Sienna model years

Compare every Sienna year side by side to see how 2018 ranks against the rest.

Compare the Sienna against its rivals