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

2021 Honda Odyssey Reliability ReportCommon Problems, Repair Costs & Expert Verdict

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89/ 100

AutoScore

LOW RISK

Grade: A-

A top-tier minivan for reliability, with only minor modern tech and convenience feature quirks.

Full system breakdown + what I would do

Quick Facts · 2021 Honda Odyssey

  • Has 8 NHTSA recalls on record — the most notable involves the fuel system, gasoline:storage.
  • Outscores the 2019 Honda Odyssey by 7 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: power sliding doors (moderate severity).
Quick Answers

The 2021 Honda Odyssey at a glance

Is the 2021 Honda Odyssey reliable?
Autojunket rates the 2021 Honda Odyssey 89/100 (grade A-), categorized as low risk. A top-tier minivan for reliability, with only minor modern tech and convenience feature quirks.
Should I buy a used 2021 Honda Odyssey?
Autojunket recommends reading the full reliability report before buying a 2021 Honda Odyssey. The 2021 Honda Odyssey represents a peak in minivan reliability and family utility. Its minor known issues are mostly manageable and don't detract from its excellent mechanical foundation. This vehicle is a solid, long-term investment for any family needing dependable transportation.
Which Honda Odyssey years are the most reliable?
Best model years to buy: 2019-2024 (especially 2021+ for refreshed styling and safety features). Years to avoid: None stand out as truly 'bad,' but early 5th-generation (2018) had more initial 10-speed transmission software issues..
What are the most common problems with the 2021 Honda Odyssey?
The top failure points on the 2021 Honda Odyssey are Power Sliding Doors (typically around 30,000-70,000 miles), Infotainment System (typically around 5,000-40,000 miles), HVAC System (typically around 40,000-80,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
At what mileage do problems start on the 2021 Honda Odyssey?
The first major mileage danger zone for the 2021 Honda Odyssey is around 30,000. Low Risk Zone — At this mileage, the Odyssey is still very new. Primary concerns are often limited to infotainment system glitches that may require software updates or minor sensor recalibrations for power sliding doors.

Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.

Read the full free report

Should You Buy the 2021 Honda Odyssey?

The 2021 Honda Odyssey is a stellar choice for families seeking a highly dependable and practical minivan, offering robust mechanicals and exceptional long-term value. While it presents minor tech-related frustrations, its core reliability makes it a sound investment that will deliver many years of confident service.

The 2021 Honda Odyssey represents a peak in minivan reliability and family utility. Its minor known issues are mostly manageable and don't detract from its excellent mechanical foundation. This vehicle is a solid, long-term investment for any family needing dependable transportation.

Best Model Years

2019-2024 (especially 2021+ for refreshed styling and safety features)

Years to Avoid

None stand out as truly 'bad,' but early 5th-generation (2018) had more initial 10-speed transmission software issues.

Biggest Strengths

  • Reliable 3.5L V6 engine
  • Smooth 10-speed automatic transmission
  • Spacious and versatile interior

Top Risk Areas

The systems that tend to fail first on the 2021 Honda Odyssey, 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
Power Sliding Doorsmoderate~30,000-70,000 mi

The power sliding doors can experience motor failures, sensor malfunctions, or cable issues, leading to erratic operation or complete failure to open/close. This is a common complaint across Odyssey generations.

2
Infotainment Systemminor~5,000-40,000 mi

Owners report issues such as the display freezing, Apple CarPlay/Android Auto disconnecting, system lag, and occasional blank screens. These are primarily software-related but can be highly frustrating.

3
HVAC Systemmoderate~40,000-80,000 mi

While less widespread than earlier generations, some 2021 models have experienced premature A/C compressor or condenser failures, leading to loss of cooling or unusual noises. This can be costly to repair.

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

2021 Honda Odyssey Mileage Danger Zones

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

30,000

Low Risk Zone

At this mileage, the Odyssey is still very new. Primary concerns are often limited to infotainment system glitches that may require software updates or minor sensor recalibrations for power sliding doors.

60,000

Maintenance Zone

This mileage typically requires more significant scheduled maintenance, including transmission fluid changes, brake service, and tire replacement. It's also a common point for the initial signs of wear on power sliding door motors.

90,000

Elevated Risk Zone

Beyond this point, components like suspension bushings or the A/C compressor might start showing wear. Proactive fluid changes for the transmission and coolant become increasingly important for longevity.

120,000+

High Risk Zone

While the Odyssey's powertrain is known for longevity, at this mileage, major components like the transmission, VCM-related issues, or power steering pump could potentially require attention. This is where diligent maintenance history tr…

2021 Honda Odyssey Ownership Cost Outlook

What it typically costs to keep the 2021 Honda Odyssey 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

$500-1,500 occasionally (e.g., sliding door motor, A/C repairs)

How Long Does the 2021 Honda Odyssey Last?

The 2021 Honda Odyssey is built to last well over 200,000 miles with diligent maintenance. Focus on consistent fluid changes and addressing power sliding door issues promptly to maximize its lifespan and value.

What 2021 Honda Odyssey Owners Actually Say

What Owners Love

  • Exceptional interior space and cargo flexibility for families
  • Smooth and powerful V6 engine performance
  • Comfortable ride quality for long journeys
  • Strong resale value and long-term reliability

Common Frustrations

  • Infotainment system can be sluggish and prone to glitches
  • Power sliding door issues are a common frustration
  • Fuel economy is average for the class, not competing with hybrids
  • Road noise can be noticeable at highway speeds

Who Should Buy the 2021 Honda Odyssey?

Best For

  • Growing families with multiple children
  • Road trip enthusiasts needing ample cargo and passenger space
  • Suburban commuters seeking a comfortable and reliable daily driver

Not Ideal For

  • Performance enthusiasts or those seeking a sporty driving experience
  • Urban dwellers who frequently navigate tight parking spaces

How the 2021 Honda Odyssey Compares to Rivals

The 2021 Odyssey stands out with its robust V6 and refined 10-speed transmission, offering a more engaging driving experience than the hybrid-focused Sienna while maintaining strong reliability competitive with segment leaders. Its main differentiator is its tried-and-true pow…

More Reliable Than

  • Chrysler Pacifica (pre-2020 models)
  • Nissan Quest

Comparable To

  • Toyota Sienna (prior generations)
  • Kia Carnival (different aesthetic, similar feature set)

NHTSA Recalls

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

FUEL SYSTEM, GASOLINE:STORAGE

Braun Corporation (Braun) is recalling certain 2018-2021 Braun-modified Honda Odyssey vehicles. The fuel tank assembly installed by Braun may be susceptible to the fuel tank overfilling into the charcoal canister. If the charcoal canister fills with a sufficient amount of fuel, fuel may leak out.

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

Honda (American Honda Motor Co) is recalling certain 2020-2021 Pilot and Ridgeline, and 2020-2022 Passport and Odyssey vehicles. The heating pads behind both side-view mirrors may not be bonded properly, allowing the mirror glass to detach. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

What breaks on the 2021 Honda Odyssey?

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

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Honda Odyssey by Year

Compare AutoScores across nearby years of the Honda Odyssey. Click any year for its full report.

If You're Considering This, Also Look At

Similar class, similar year range — ranked by AutoScore.

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Autojunket vs. the rest

Where the 2021 Honda Odyssey 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.

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Log every service on your Honda Odyssey. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.

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  • Snap-a-receipt AI log
  • Fuel & mileage tracker
  • Shareable buyer view link
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