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Toyota Sienna

2AR-FE 2.5L 4-Zyl 187 hp Automatic Van 2011–2016
✔ Good Choice
Engine 2AR-FE ✔ Good Choice 4,000–11,300 €

2.5L four-cylinder for Camry XV50 and Highlander. Oil consumption issue from low-tension piston rings — Toyota issued TSB and settled a class action. 2012 models: camshaft gear cold rattle documented via TSB. Water pump with plastic impeller wears out. Overall solid after warranty repairs.

Fun Factor? Not Really

Sienna XL30 four-cylinder — base minivan, barely enough

187 hp four-cylinder in a van: marginal with full load. Acceptable for city traffic, too weak for highway driving with family.

Engine Weaknesses 3

!! TSB 0194-14: Toyota verlängerte Garantie. Low-Tension-Kolbenringe gleiche Ursache wie beim 2AZ-FE-Vorgänger.

TSB 0194-14: Toyota extended warranty. Low-tension piston rings, same root cause as predecessor 2AZ-FE.

Symptoms: Oil level drop between changes, blue smoke possible

2,000–4,500 € from 100,000 km
!! Flügelrad verschleißt, Dichtungen veröden. Standardmäßig ab ~130.000 km einplanen.

Impeller wears, seals degrade. Standard replacement from ~80k miles.

Symptoms: Coolant loss, drip under engine

400–900 € from 130,000 km
! TSB T-SB-0041-13: kurzes Klopfgeräusch beim Kaltstart. Nockenwellenzahnrad muss getauscht werden. Nur 2012er Baujahr.

TSB T-SB-0041-13: brief knocking on cold start. Camshaft gear unit needs replacement. 2012 model year only.

Symptoms: Brief knocking/rattle on cold start, disappears after seconds

300–600 €

Vehicle Weaknesses 2

!! Electronics Gleiche Problematik wie XL20 — Kabel und Schlossmotoren. Bei der XL30 weniger verbreitet aber nicht gelöst.

Same issue as XL20 — wiring and lock motors. Less common on XL30 but not resolved.

300–1,800 € from 120,000 km
!! Gearbox Bottom-Fitting bricht → Kühlmittel vermischt sich mit Getriebeöl → Getriebeversagen als Folge.

Bottom fitting breaks → coolant mixes with transmission fluid → transmission failure as result.

1,000–3,500 € from 130,000 km

Reports & Tests

nhtsa_complaints NHTSA Complaint Summary 2026-03
Below Average

1768 owner complaints filed with NHTSA (2011–2020). Most reported: Body Structure (426), Airbags (357), Other (249).