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

2021 Mazda CX-5 Reliability ReportA grade · low risk · system-by-system breakdown

88/ 100

KeepScore

LOW RISK

Grade: A

A top-tier compact SUV that blends engaging driving with impressive long-term reliability, offering great value.

Full system breakdown + what I would do

Quick Facts · 2021 Mazda CX-5

  • The system most likely to surface first: infotainment/electrical (minor severity).
  • No active NHTSA safety recalls on record — a clean recall slate for the 2021 model year.
  • Scores 4 points below the strongest nearby year — the 2023 Mazda CX-5 earns a 92.

Is the 2021 Mazda CX-5 Worth Buying?

The 2021 Mazda CX-5 remains one of the safest used compact SUVs you can buy, embodying Mazda's commitment to quality and driver engagement. While not entirely without its minor quirks, its robust powertrain and solid build quality make it an excellent long-term ownership proposition, especially when properly maintained.

The 2021 Mazda CX-5 is a highly recommended used purchase, offering a compelling blend of reliability, upscale feel, and driving pleasure. Its few known weaknesses are generally minor and manageable, making it an excellent long-term investment that stands out in a crowded segment.

Best Model Years

2017-Present (especially 2019+ for engine options and slight refinements)

Years to Avoid

None for reliability, but earlier 2nd gen (2017-2018) models had slightly less polished infotainment.

Biggest Strengths

  • Powertrain durability (Skyactiv engines and transmission)
  • Premium interior quality and build integrity
  • Engaging driving dynamics and responsive handling

What Tends to Fail First on the 2021 Mazda CX-5

The systems that tend to fail first on the 2021 Mazda CX-5, 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/Electricalminor~5,000-40,000 mi

Owners frequently report the infotainment system freezing, lagging, or unexpectedly restarting. This is often software-related, but can be a persistent nuisance.

2
Braking System (Rear)moderate~30,000-60,000 mi

A common Mazda issue, the rear brake calipers can be prone to seizing or pads wearing prematurely, particularly in regions that use road salt, leading to uneven wear and rotor damage.

3
Engine (2.5T Wastegate Actuator)moderate~70,000-110,000 mi

While less common for the 2021 model, earlier 2.5T engines sometimes had issues with the turbo wastegate actuator, leading to reduced power or check engine lights. This is a potential, albeit rare, point of failure on higher mileage turb…

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

2021 Mazda CX-5 Mileage Danger Zones

The mileage windows when the 2021 Mazda CX-5 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

This mileage primarily covers routine maintenance. Focus on oil changes, tire rotations, and cabin/engine air filters. It’s also a good time to check the rear brakes for premature wear, as this is when issues might start to manifest.

60,000

Maintenance Zone

A more significant service interval, requiring spark plug replacement (especially for the turbo engine), transmission fluid inspection, and a thorough brake system check. Pay close attention to suspension components for any signs of wear.

90,000

Elevated Risk Zone

While still a highly reliable vehicle, this mileage range demands a comprehensive inspection. Consider replacing drive belts, checking coolant condition, and inspecting for any oil leaks. Turbo models should have their systems thoroughly…

120,000+

High Risk Zone

At this point, you are entering the territory where major component wear is expected across any vehicle. While a well-maintained CX-5 can go much further, budget for potential replacements like shocks/struts, wheel bearings, or more exte…

2021 Mazda CX-5 Ownership Cost Outlook

What it typically costs to keep the 2021 Mazda CX-5 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 2021 Mazda CX-5 Last?

A 2021 CX-5 with mileage up to 60,000 miles is still considered very low risk, provided it has a complete service history. Even models approaching 90,000 miles can be excellent buys if they have been meticulously maintained, but require a more thorough pre-purchase inspection.

What 2021 Mazda CX-5 Owners Actually Say

What Owners Love

  • Engaging and fun-to-drive handling characteristics
  • Premium interior design and high-quality materials
  • Reliable and efficient Skyactiv powertrains
  • Excellent safety ratings and standard driver-assist features

Common Frustrations

  • Frustrating and sometimes buggy infotainment system interface
  • Limited cargo space compared to segment rivals like CR-V or RAV4
  • Rear seat space can feel cramped for taller adults
  • Visibility can be limited by thick C-pillars

Who Should Buy the 2021 Mazda CX-5?

Best For

  • Commuters seeking a reliable and engaging daily driver
  • Small families prioritizing safety, style, and quality
  • Drivers who appreciate dynamic handling and a premium feel

Not Ideal For

  • Large families needing maximum cargo and rear passenger space
  • Serious off-road adventurers (AWD is for light-duty only)

How the 2021 Mazda CX-5 Compares to Rivals

The CX-5 consistently ranks among the top compact SUVs for reliability and driving enjoyment, often surpassing key rivals in interior quality and engaging dynamics, while maintaining comparable or better reliability than most non-luxury competitors.

More Reliable Than

  • Ford Escape (pre-2020)
  • Nissan Rogue (pre-2021)
  • Chevrolet Equinox

Comparable To

  • Honda CR-V
  • Toyota RAV4
  • Subaru Forester

2021 Mazda CX-5 Recall History

No active NHTSA safety recalls on file for the 2021 Mazda CX-5. Always verify with your VIN atnhtsa.gov.

What breaks on the 2021 Mazda CX-5?

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

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Other Mazda CX-5 Years to Consider

Compare KeepScores across nearby years of the Mazda CX-5. Click any year for its full report.

2021 Mazda CX-5 Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2021 Mazda CX-5

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Frequently Asked Questions

Full Report

2021 Mazda CX-5

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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