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

2021 Subaru Outback Reliability ReportKeepScore 87/100 · top failure points · buy or avoid

87/ 100

KeepScore

LOW RISK

Grade: B+

A highly capable and safe vehicle with excellent core reliability, but expect occasional quirks from its advanced technology.

Full system breakdown + what I would do

Quick Facts · 2021 Subaru Outback

  • Outscores the 2019 Subaru Outback by 5 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: infotainment system (minor severity).
  • Has 4 NHTSA recalls on record — the most notable involves the power train:shift linkage/cable/rod.

2021 Subaru Outback: Buy or Avoid?

The 2021 Subaru Outback stands as one of the most confidence-inspiring crossovers for families and adventurers, offering exceptional all-weather capability and a robust safety suite. While its core mechanicals are solid, minor electrical and infotainment glitches prevent it from reaching the top tier of reliability. For most buyers, this vehicle represents a smart, dependable choice with strong resale value.

The 2021 Subaru Outback is a highly capable and safe vehicle that delivers strong reliability where it counts most: the powertrain and core mechanicals. While you should be prepared for potential minor electrical or infotainment annoyances, these are generally not deal-breakers. Its blend of AWD, safety, and utility…

Best Model Years

2021-2024 (Gen 6, post initial 2020 bugs)

Years to Avoid

None within the 6th generation (2020+), but generally avoid earlier 2020 models if you want to be sure initial kinks were worked out.

Biggest Strengths

  • Symmetrical All-Wheel Drive system
  • Comprehensive EyeSight driver-assist technology
  • Strong resale value and owner loyalty

2021 Subaru Outback — Known Trouble Spots

The systems that tend to fail first on the 2021 Subaru Outback, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
Infotainment Systemminor~5,000-40,000 mi

The large Starlink touchscreen can suffer from freezing, lagging, or issues with Apple CarPlay/Android Auto connectivity, requiring system restarts or dealership software updates (TSB 15-266-20R).

2
EyeSight Driver Assist Systemmoderate~Any mileage (after incident) or environmental mi

While life-saving, EyeSight sensors can occasionally require recalibration after minor impacts or windshield replacement, or may give false warnings under certain weather conditions, leading to temporary disengagement.

3
CVT Transmission (Noise/Shudder)moderate~30,000-80,000 mi

Though much improved, some owners report occasional droning, minor shudder, or unusual noises from the Lineartronic CVT, particularly under specific acceleration or deceleration scenarios (less common in 2021 but still reported).

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2021 Subaru Outback Mileage Danger Zones

The mileage windows when the 2021 Subaru Outback most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the vehicle is still very new. Focus is on routine maintenance (oil changes, tire rotations) and ensuring all software updates for the infotainment system have been applied to address initial bugs.

60,000

Maintenance Zone

This mileage often marks a significant service interval. Expect potential brake service, tire replacement, and a crucial decision point regarding CVT fluid service, especially if towing or driving aggressively.

90,000

Elevated Risk Zone

Wear items begin to accumulate. While major failures are still uncommon, expect to replace items like spark plugs, drive belts, and potentially address minor suspension components or exhaust parts that show rust.

120,000+

High Risk Zone

Beyond 100k, the likelihood of needing more significant repairs increases. While the engine and transmission are generally stout, things like CV joint boots, struts, and potential sensor failures become more prevalent.

2021 Subaru Outback Ownership Cost Outlook

What it typically costs to keep the 2021 Subaru Outback on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$450-650

Moderate Repairs

$600-1,800 occasionally (e.g., EyeSight recalibration, major suspension work, head unit replacement)

How Long Does the 2021 Subaru Outback Last?

Consistent preventative maintenance is key. Adhere to Subaru's recommended service intervals, and consider more frequent fluid changes for the CVT if you plan on heavy use or towing to ensure optimal longevity.

What 2021 Subaru Outback Owners Actually Say

What Owners Love

  • Outstanding all-weather and light off-road capability with Symmetrical AWD.
  • Excellent safety record and comprehensive EyeSight suite provide peace of mind.
  • Spacious and comfortable interior with generous cargo capacity.
  • Smooth ride quality that handles varied road conditions well.

Common Frustrations

  • Infotainment system can be buggy, slow, or prone to freezing, impacting daily usability.
  • CVT can exhibit a droning noise under certain acceleration conditions, which some find intrusive.
  • EyeSight system can occasionally be overly sensitive or issue false warnings, though it's still a net positive.
  • Fuel economy for the turbocharged XT model is not exceptional in real-world driving.

Who Should Buy the 2021 Subaru Outback?

Best For

  • Families seeking a safe and versatile daily driver
  • Outdoor enthusiasts and campers needing off-road capability
  • Drivers in snowy or wet climates requiring superior traction

Not Ideal For

  • Performance-oriented drivers seeking thrilling acceleration
  • Budget-conscious buyers looking for absolute lowest running costs

How the 2021 Subaru Outback Compares to Rivals

The Outback typically offers superior AWD capability and ground clearance compared to most FWD-biased crossovers. While not quite reaching Toyota's benchmark reliability, it provides a unique blend of ruggedness, safety, and practicality that many competitors lack, often outsh…

More Reliable Than

  • Jeep Cherokee
  • Ford Edge (some years)
  • Volkswagen Tiguan (older models)

Comparable To

  • Mazda CX-5
  • Honda CR-V
  • Hyundai Santa Fe

Safety Recalls on the 2021 Subaru Outback

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

POWER TRAIN:SHIFT LINKAGE/CABLE/ROD

Subaru of America, Inc. (Subaru) is recalling certain 2021 Outback and Impreza vehicles. The continuously variable transmission (CVT) select lever cable nut may not have been tightened properly, allowing the nut to loosen.

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.

What breaks on the 2021 Subaru Outback?

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

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Subaru Outback — Year-by-Year Comparison

Compare KeepScores across nearby years of the Subaru Outback. Click any year for its full report.

Competing 2021s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 Subaru Outback

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Frequently Asked Questions

Full Report

2021 Subaru Outback

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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