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

2020 Mazda Mazda6 Reliability ReportKeepScore 91/100 · top failure points · buy or avoid

91/ 100

KeepScore

LOW RISK

Grade: A-

A premium-feeling, driver-focused sedan with a strong reliability record and minimal common faults.

Full system breakdown + what I would do

Quick Facts · 2020 Mazda Mazda6

  • Outscores the 2018 Mazda Mazda6 by 3 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: infotainment system (minor severity).
  • No active NHTSA safety recalls on record — a clean recall slate for the 2020 model year.

2020 Mazda Mazda6: Buy or Avoid?

The 2020 Mazda6 is a truly exceptional offering in the mid-size sedan segment, providing a premium experience with robust long-term reliability. This vehicle stands as one of the most dependable and engaging options available on the used market, confidently blending sophisticated design with proven Japanese engineering. For anyone seeking a stylish, fun-to-drive, and low-stress daily driver, the Mazda6 represents a smart and reliable investment.

The 2020 Mazda6 is an outstanding choice for those prioritizing style, driving engagement, and rock-solid reliability in a mid-size sedan. Its robust powertrains and high-quality construction mean you can expect years of trouble-free ownership with proper maintenance. This vehicle truly punches above its weight, off…

Best Model Years

2018-2021 (All years of the refreshed third generation are excellent choices, especially 2020-2021 for minor refinements).

Years to Avoid

None for the 2018-2021 generation; earlier generations had more reported rust issues.

Biggest Strengths

  • Powertrain durability (engine & transmission)
  • Premium interior feel and build quality
  • Engaging driving dynamics and handling

2020 Mazda Mazda6 — Known Trouble Spots

The systems that tend to fail first on the 2020 Mazda Mazda6, 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~10,000-40,000 mi

Owners occasionally report freezing screens, Apple CarPlay/Android Auto connectivity issues, or general software glitches. This is often resolved with software updates but can be an intermittent annoyance.

2
Braking Systemmoderate~20,000-40,000 mi

While not a defect, some owners experience quicker-than-average wear on front brake pads and rotors, especially if driven aggressively or primarily in urban stop-and-go traffic. This is more of a maintenance item than a failure.

3
Suspension Componentsminor~60,000-90,000 mi

At higher mileage, minor clunking noises over bumps may develop, typically traced to worn stabilizer bar end links or bushings. This is a common wear item across many vehicle types and is usually a straightforward repair.

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

2020 Mazda Mazda6 Mileage Danger Zones

The mileage windows when the 2020 Mazda Mazda6 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the Mazda6 should still feel nearly new. Focus on routine oil changes, tire rotations, and cabin/engine air filter replacements. This is typically when front brake pads might need assessment.

60,000

Maintenance Zone

This mileage brings more significant scheduled maintenance, including spark plug replacement (especially on turbo models), transmission fluid inspection/change, and thorough brake system checks. Suspension components should be inspected…

90,000

Elevated Risk Zone

While still very reliable, components that typically last 100k miles will be nearing their end. Expect to address suspension wear (shocks/struts, bushings), and inspect all fluid levels and hoses diligently. Minor electrical gremlins mig…

120,000+

High Risk Zone

Beyond 120,000 miles, the car remains capable, but preventative maintenance becomes critical. Expect to replace major wear items if not already done, such as water pumps, alternators, or starter motors. Engine mounts might also be due.

2020 Mazda Mazda6 Ownership Cost Outlook

What it typically costs to keep the 2020 Mazda Mazda6 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$400-600

Moderate Repairs

$500-1,500 occasionally

How Long Does the 2020 Mazda Mazda6 Last?

A 2020 Mazda6 with up to 75,000 miles is an excellent buy, as most critical components should still be in prime condition. Models exceeding 100,000 miles are still strong contenders if they have a verifiable, comprehensive service history.

What 2020 Mazda Mazda6 Owners Actually Say

What Owners Love

  • Engaging and sporty driving dynamics for a family sedan
  • Upscale interior design and quality materials
  • Refined ride quality with minimal body roll
  • Excellent fuel economy (especially non-turbo models)

Common Frustrations

  • Rear seat legroom is tighter than some class rivals
  • Infotainment system can be clunky or slow at times
  • Road noise can be noticeable at highway speeds
  • Trunk space is adequate but not class-leading

Who Should Buy the 2020 Mazda Mazda6?

Best For

  • Drivers who prioritize engaging driving dynamics and handling
  • Buyers seeking a premium feel without the premium price tag
  • Individuals or small families who value reliability and aesthetics

Not Ideal For

  • Families needing maximum rear seat legroom and cargo space
  • Buyers solely focused on the lowest possible long-term maintenance costs (e.g., Toyota Camry)

How the 2020 Mazda Mazda6 Compares to Rivals

The Mazda6 consistently offers a more premium feel and superior driving dynamics than its rivals, often at a competitive price. While slightly behind the Camry in pure, unexciting reliability metrics, it significantly outshines many competitors in overall satisfaction and buil…

More Reliable Than

  • Nissan Altima (earlier CVT issues)
  • Volkswagen Passat (historically more complex engines)
  • Chevrolet Malibu (less refined ride)

Comparable To

  • Honda Accord (similar reliability, different driving feel)
  • Subaru Legacy (AWD benefit, less engaging dynamics)

Safety Recalls on the 2020 Mazda Mazda6

No active NHTSA safety recalls on file for the 2020 Mazda Mazda6. Always verify with your VIN atnhtsa.gov.

What breaks on the 2020 Mazda Mazda6?

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

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Mazda Mazda6 — Year-by-Year Comparison

Compare KeepScores across nearby years of the Mazda Mazda6. Click any year for its full report.

Competing 2020s Worth a Look

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2020 Mazda Mazda6

Parts and accessories matched to your 2020 Mazda Mazda6

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Frequently Asked Questions

Full Report

2020 Mazda Mazda6

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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