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Montana · Article Updated May 26, 2026

Subaru Cases Under Montana Lemon Law

Subaru cases in Montana — a top-selling brand — Boxer engine oil consumption, CVT failures, EyeSight, and Solterra EV defect patterns, with cold and mountain factors.

Subaru is one of Montana’s top-selling brands — its standard AWD fits Montana winters and mountain roads, with high per-capita ownership. Outback, Crosstrek, Forester, and Ascent are everywhere. Cases are pursued under the Montana Lemon Law, the CPA, and Magnuson-Moss.

Common Subaru defect patterns

  • Boxer engine oil consumption (FB20/FB25) — long-standing pattern with class-action history.
  • CVT failures — Outback, Forester, Crosstrek, Ascent (worse on mountain grades).
  • EyeSight system defects — false braking, calibration drift (snow/de-icer-spray can affect sensors).
  • Ascent / Outback transmission issues.
  • Solterra EV — wheel-loss recall (early build), cold-weather charging/range.
  • Starlink infotainment crashes.

Montana Subaru market

  • Outback / Crosstrek / Forester dominate winter-driving and outdoor culture.
  • Ascent family segment.
  • Among the higher per-capita Subaru ownership in the mountain west.

Cold and mountain factors

  • Boxer oil consumption can worsen with cold short trips.
  • CVT stress on long mountain grades and with towing.
  • EyeSight false-braking is a safety concern — supports a CPA theory; snow and de-icer spray can foul the sensors.
  • Mag-chloride de-icer drives electrical and brake corrosion.

Proving the case

  • Repair orders across attempts.
  • Boxer oil-consumption class-action history, CVT TSBs, EyeSight calibration bulletins.

Bottom line

Subaru — a Montana favorite — sees Boxer oil consumption, CVT (grade-aggravated), EyeSight, and Solterra cases that fit Montana’s framework well. Use in-state arbitration, and act before 18,000 miles. Get a free case review.

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