2020 Chevrolet Blazer Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Quick Facts · 2020 Chevrolet Blazer
- Has 3 NHTSA recalls on record — the most notable involves the tires.
- Scores 5 points below the strongest nearby year — the 2022 Chevrolet Blazer earns a 83.
- The system most likely to surface first: electrical / infotainment system (moderate severity).
Should You Buy the 2020 Chevrolet Blazer?
The 2020 Chevrolet Blazer presents a stylish and engaging option in the mid-size SUV segment, but it's crucial to acknowledge its moderate risk profile. While its core mechanicals are generally robust, owners should anticipate potential frustrations with its complex electrical system and a few specific component weaknesses. Approach a purchase with diligence, especially regarding service history, and be prepared for potential minor to moderate repairs down the line.
The 2020 Chevrolet Blazer is a visually appealing and generally competent mid-size SUV that offers a more engaging driving experience than many in its class. However, its tendency for electrical system glitches and specific component vulnerabilities, particularly with the HVAC and potentially the AWD system, means a…
Best Model Years
2021+
Years to Avoid
Early 2019 production models
Biggest Strengths
- V6 engine and 9-speed transmission generally reliable
- Solid chassis and responsive handling for an SUV
- Modern safety features and infotainment technology
Top Risk Areas
The systems that tend to fail first on the 2020 Chevrolet Blazer, 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.
Owners frequently report issues such as the infotainment screen freezing, Apple CarPlay/Android Auto connectivity problems, unresponsive touchscreens, and occasional sensor malfunctions (e.g., TPMS, parking assist). These are typically s…
Common complaints include air conditioning condenser leaks, compressor failures, or blend door actuator malfunctions, leading to inadequate cooling or inconsistent temperature control. These issues can be costly and inconvenient, especia…
While not universal, some owners of AWD models have reported issues with the Power Transfer Unit (PTU) or rear differential, manifesting as grinding noises, leaks, or outright failure. This is often linked to neglected fluid changes or m…
2020 Chevrolet Blazer Mileage Danger Zones
The mileage windows when the 2020 Chevrolet Blazer most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Early Check-Up Zone
At this mileage, the vehicle is still relatively new, but it's crucial to ensure all factory software updates for the infotainment and transmission have been applied. Pay attention to any early electrical glitches or unusual shifting beh…
Maintenance & Inspection Zone
This mileage marks a point for more significant maintenance, including transmission fluid checks/changes (especially for AWD models' PTU/rear differential), spark plugs (V6), and a thorough inspection of suspension components and brakes.…
Elevated Risk Zone
Components begin to show more significant wear. Be vigilant for increased oil consumption in 4-cylinder engines, further HVAC issues, and potential electrical gremlins becoming more persistent. The AWD system requires close attention.
High Risk Zone
Beyond this point, major component failures become more likely, including complete AWD unit failures, significant engine issues (timing chain on V6 if neglected, severe oil consumption on 4-cyl), and increased electrical system fatigue.…
2020 Chevrolet Blazer Ownership Cost Outlook
What it typically costs to keep the 2020 Chevrolet Blazer on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$500-700
Moderate Repairs
$600-1,800 occasionally (e.g., HVAC, electrical module, minor AWD repair)
How Long Does the 2020 Chevrolet Blazer Last?
Focus on vehicles with comprehensive service records. If considering an AWD model, ensure the PTU and rear differential fluids have been serviced or budget to do so immediately. For any Blazer over 60,000 miles, factor in potential HVAC system and suspension component replacements.
What 2020 Chevrolet Blazer Owners Actually Say
What Owners Love
- Aggressive, distinctive styling sets it apart from rivals.
- Strong V6 engine performance and responsive handling.
- User-friendly infotainment interface (when working correctly).
- Comfortable front seats and appealing interior design.
Common Frustrations
- Interior quality on lower trims feels less premium than competitors.
- Poor rear visibility due to thick pillars and small rear window.
- Fuel economy, especially with the V6 and AWD, can be disappointing.
- Persistent infotainment glitches and slow responses are frustrating.
Who Should Buy the 2020 Chevrolet Blazer?
Best For
- Style-conscious buyers who want a sportier-looking SUV
- Families needing a versatile daily driver with available AWD
- Urban commuters valuing handling and modern tech
Not Ideal For
- Buyers seeking the absolute lowest long-term maintenance costs
- Individuals prioritizing maximum cargo volume above all else
How the 2020 Chevrolet Blazer Compares to Rivals
The Blazer stands out with its dynamic styling and engaging drive but falls short of Japanese rivals in terms of long-term mechanical bulletproofing. It's a competitive option against other domestic and Korean SUVs, but its electrical and HVAC vulnerabilities pull its overall…
More Reliable Than
- Ford Edge (some transmission issues, interior quality)
- Nissan Murano (CVT reliability concerns)
- Volkswagen Atlas (less refined powertrains, some early reliability issues)
Comparable To
- Hyundai Santa Fe (similar tech glitches, good value)
- Kia Sorento (strong value, decent reliability but some engine issues)
NHTSA Recalls
3 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
TIRES
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
What breaks on the 2020 Chevrolet Blazer?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Chevrolet Blazer by Year
Compare KeepScores across nearby years of the Chevrolet Blazer. Click any year for its full report.
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