Is the 2009 Toyota 4Runner reliable?

Yes, it’s widely considered reliable, especially the engine and transmission, but condition and maintenance matter—rust, brakes, and neglected 4WD systems are the biggest ownership risks.

What are the most common 2009 Toyota 4Runner problems?

Common issues include frame/undercarriage rust in snowy regions, exhaust manifold leaks at higher mileage, brake wear or sticking calipers, and occasional 4WD actuator engagement problems on rarely used systems.

Are maintenance costs high for a 2009 4Runner?

Costs are usually moderate for a body-on-frame SUV; it’s not exotic to service, but tires, brakes, suspension parts, and 4WD fluid services can add up compared to a smaller crossover.

What are the best years to buy for a used 4Runner like this one?

Many shoppers like late fourth-generation models (2006–2009) for their mature design and features, while others prefer early fifth-generation (2010–2013) for the newer platform—your best year depends on budget, rust exposure, and service history.

What should I check before buying a used 2009 Toyota 4Runner?

Check the frame and brake lines for rust, confirm smooth transmission shifting, listen for exhaust ticking on cold start, test 4HI/4LO engagement, and review service records for fluid changes and brake/suspension work. For a smarter purchase and easier ownership, get a complete owner’s guide with full specs, trim details, and the recommended maintenance schedules for the 2009 Toyota 4Runner.

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Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2009 Toyota 4Runner Reliability ReportCommon Problems, Repair Costs & Expert Verdict

92/ 100

LOW RISK

Grade: A-

A legendary SUV that delivers unparalleled long-term reliability, provided you find a rust-free example and address common emissions system wear.

Full system breakdown + what I would do

Should You Buy the 2009 Toyota 4Runner?

The 2009 Toyota 4Runner is an absolute titan of reliability, representing one of the smartest used SUV purchases for those prioritizing longevity and robust capability. While its legendary frame rust must be thoroughly vetted, its mechanical components are engineered to withstand extensive use, making it an undeniable choice for decades of dependable service.

Biggest Strengths

Exceptional powertrain durability (engine & transmission)
Strong resale value and proven longevity
Robust body-on-frame construction for heavy-duty use

Top Risk Areas

The systems that break first on the 2009 Toyota 4Runner. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Frame and Undercarriage Rustcritical

Secondary Air Injection (A.I.R.) Systemmajor

X-REAS Sport Suspension Systemmoderate

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

6 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2010-2011 Prius and Corolla, 2009-2011 Venza, 2006-2010 Avalon, 2007-2010 FJ Cruiser, 2005-2011 Sienna and Sequoia, 2006-2011 Tacoma 4x2 and 4x4, Camry, Highlander, Tundra 4x2 and 4x4, and 2007-2011 Rav4 and 4Runner. The affected vehicles may experience compression of the seat cushion which may damage the seat heater wiring.

SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

Southeast Toyota Distributors, LLC (SET) is recalling certain 2005-2011 4Runner, Highlander, Sequoia, and Sienna, 2005-2010 Avalon and Tundra, 2006-2008 Camry Solara, 2006-2010 Highlander hybrid, 2006-2011 Rav4 and Tacoma, 2007-2010 FJ Cruiser, 2007-2011 Camry hybrid, 2009-2010 Venza, 2010-2012 Prius, 1988-1990 and 2005-2010 Camry, and 1989 and 2009-2010 Corolla vehicles equipped with aftermarket accessory seat heaters with a copper strand heating element. The electrical wiring in the seat heaters may be damaged when the seat cushion is compressed.

What breaks on the 2009 Toyota 4Runner?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Toyota 4Runner by Year

Compare reliability scores across nearby years of the Toyota 4Runner. Click any year for its full report.

All Toyota 4Runner years ranked →Toyota 4Runner years to avoid →Toyota 4Runner common problems →

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Frequently Asked Questions

Full Report