2021 Subaru Outback Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Sell your car for what it's worth.
Every receipt, every service, one signed PDF you hand the buyer. OSC is the paperwork trail your resale price depends on.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
Quick Facts · 2021 Subaru Outback
- Has 4 NHTSA recalls on record — the most notable involves the power train:shift linkage/cable/rod.
- 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).
The 2021 Subaru Outback at a glance
- Is the 2021 Subaru Outback reliable?
- Autojunket rates the 2021 Subaru Outback 87/100 (grade B+), categorized as low risk. A highly capable and safe vehicle with excellent core reliability, but expect occasional quirks from its advanced technology.
- Should I buy a used 2021 Subaru Outback?
- Autojunket recommends reading the full reliability report before buying a 2021 Subaru Outback. 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…
- Which Subaru Outback years are the most reliable?
- Best model years to buy: 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..
- What are the most common problems with the 2021 Subaru Outback?
- The top failure points on the 2021 Subaru Outback are Infotainment System (typically around 5,000-40,000 miles), EyeSight Driver Assist System (typically around Any mileage (after incident) or environmental miles), CVT Transmission (Noise/Shudder) (typically around 30,000-80,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2021 Subaru Outback?
- The first major mileage danger zone for the 2021 Subaru Outback is around 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.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2021 Subaru Outback?
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
Top Risk Areas
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.
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).
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.
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).
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.
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.
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.
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.
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
NHTSA Recalls
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.
Autojunket OSC · OSC Transfer
Sell your 2021 Subaru Outback for what it's actually worth.
Log every service. Sell with a signed PDF. Every receipt, mileage-verified, in the buyer's hands.
Subaru Outback by Year
Compare AutoScores across nearby years of the Subaru Outback. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
Relevant Products for Your 2021 Subaru Outback
Parts and accessories matched to your 2021 Subaru Outback
As an Amazon Associate I earn from qualifying purchases.
Where the 2021 Subaru Outback report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Sell your 2021 Subaru Outback for what it's actually worth.
Log every service on your Subaru Outback. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
Recommended Reading for the Subaru Outback
Subaru Outback Common Problems and Repair Costs
Identify common Subaru Outback problems, understand their causes, and see average repair costs to make informed decisions for your vehicle's longevity.
Subaru Outback Years to Avoid (Worst to Best Ranked)
Avoid common pitfalls! Learn the worst Subaru Outback years and discover the most reliable models with our comprehensive worst-to-best rankings.
How Long Does a Subaru Outback Last? (Real Owner Data)
Uncover the real lifespan of a Subaru Outback! We use actual owner data to show exactly how many miles you can realistically expect from your vehicle.