2021 Nissan Altima Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2021 Nissan Altima
- Has 2 NHTSA recalls on record — the most notable involves the steering:linkages:tie rod assembly.
- Scores 7 points below the strongest nearby year — the 2023 Nissan Altima earns a 85.
- The system most likely to surface first: continuously variable transmission (cvt) (major severity).
The 2021 Nissan Altima at a glance
- Is the 2021 Nissan Altima reliable?
- Autojunket rates the 2021 Nissan Altima 78/100 (grade C+), categorized as moderate risk. A comfortable cruiser with good fuel economy, but the CVT remains a looming question mark for high-mileage ownership.
- Should I buy a used 2021 Nissan Altima?
- Autojunket recommends reading the full reliability report before buying a 2021 Nissan Altima. While the 2021 Nissan Altima provides excellent comfort and fuel economy, the potential for expensive CVT issues makes it a cautious recommendation. It's a solid choice if you prioritize a smooth ride and efficiency, but only if you commit to diligent CVT maintenance and accept the inherent risk beyond 100,000 miles…
- Which Nissan Altima years are the most reliable?
- Best model years to buy: 2020-2023 (post-facelift and later versions of 7th gen). Years to avoid: Earlier 6th gen Altimas (2013-2018) had more widespread and severe CVT issues..
- What are the most common problems with the 2021 Nissan Altima?
- The top failure points on the 2021 Nissan Altima are Continuously Variable Transmission (CVT) (typically around 60,000-120,000 miles), Electrical Systems & Infotainment (typically around 20,000-70,000 miles), Suspension Components (typically around 50,000-90,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2021 Nissan Altima?
- The first major mileage danger zone for the 2021 Nissan Altima is around 30,000. Low Risk Zone — At this mileage, the vehicle is still relatively new. Issues are typically covered under warranty and are often minor electrical glitches or early wear items.
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 Nissan Altima?
The 2021 Nissan Altima is a generally comfortable and efficient sedan, but its long-term reliability is overshadowed by the inherent risks associated with its Continuously Variable Transmission (CVT). While the engines themselves are robust, potential CVT issues necessitate a 'proceed with caution' approach for buyers seeking maximum peace of mind in the long run.
While the 2021 Nissan Altima provides excellent comfort and fuel economy, the potential for expensive CVT issues makes it a cautious recommendation. It's a solid choice if you prioritize a smooth ride and efficiency, but only if you commit to diligent CVT maintenance and accept the inherent risk beyond 100,000 miles…
Best Model Years
2020-2023 (post-facelift and later versions of 7th gen)
Years to Avoid
Earlier 6th gen Altimas (2013-2018) had more widespread and severe CVT issues.
Biggest Strengths
- Fuel-efficient engine options (especially 2.5L)
- Comfortable ride and spacious interior
- Generally strong body structure and safety ratings
Top Risk Areas
The systems that tend to fail first on the 2021 Nissan Altima, 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 Xtronic CVT, while improved, can still exhibit shuddering, slipping, or complete failure due to fluid degradation or internal component wear. Neglecting fluid changes accelerates wear.
Owners sometimes report issues with the infotainment screen freezing, Apple CarPlay/Android Auto connectivity drops, or occasional sensor-related warnings (e.g., ADAS). These are often software-related but can be frustrating.
Premature wear of front control arm bushings or noisy struts can lead to clunking sounds over bumps and affect handling stability. This is more common in areas with poor road conditions.
2021 Nissan Altima Mileage Danger Zones
The mileage windows when the 2021 Nissan Altima 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 relatively new. Issues are typically covered under warranty and are often minor electrical glitches or early wear items.
Maintenance Zone
This is a critical period for preventative maintenance, especially for the CVT. Neglecting fluid changes here can drastically shorten its lifespan. Suspension components might begin to show initial signs of wear.
Elevated Risk Zone
Beyond warranty coverage for major components, the likelihood of CVT-related issues significantly increases. Other wear items like struts or wheel bearings may also require attention.
High Risk Zone
If the CVT has not been meticulously maintained, this mileage introduces a substantial risk of major transmission failure. Engine components like sensors or accessories might also require replacement.
2021 Nissan Altima Ownership Cost Outlook
What it typically costs to keep the 2021 Nissan Altima 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 (e.g., control arms, major service)
How Long Does the 2021 Nissan Altima Last?
For best long-term value, target Altimas with under 60,000 miles that have a documented CVT fluid change. Be extremely wary of models approaching or exceeding 100,000 miles without detailed transmission service records.
What 2021 Nissan Altima Owners Actually Say
What Owners Love
- Excellent fuel economy, especially with the 2.5L engine.
- Comfortable and quiet ride, ideal for long commutes.
- Spacious interior for front and rear passengers.
- Available AWD is a significant advantage in certain climates.
Common Frustrations
- CVT performance can feel unrefined and 'rubbery' compared to traditional automatics.
- Some owners report frustrating infotainment glitches and connectivity issues.
- Interior materials, while durable, can feel less premium than rivals.
- Lackluster acceleration with the base 2.5L engine.
Who Should Buy the 2021 Nissan Altima?
Best For
- Commuters seeking a comfortable and fuel-efficient daily driver
- Buyers prioritizing AWD capability in a mid-size sedan
- Individuals who prefer a soft, compliant ride over sporty handling
Not Ideal For
- Buyers seeking maximum long-term reliability without proactive transmission maintenance
- Enthusiasts looking for engaging driving dynamics
How the 2021 Nissan Altima Compares to Rivals
The Altima offers similar comfort and features to its Korean rivals but typically falls short of the class leaders (Camry, Accord) in terms of perceived long-term reliability due to the CVT.
More Reliable Than
- Kia K5 (earlier years had engine issues)
- Chevrolet Malibu
Comparable To
- Hyundai Sonata
- Subaru Legacy
NHTSA Recalls
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
STEERING:LINKAGES:TIE ROD ASSEMBLY
Nissan North America, Inc. (Nissan) is recalling certain 2020-2021 Nissan Altima vehicles. The tie rod ball joint fastener was not tightened properly, which could result in the tie rod ball joint detaching from the steering knuckle.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Nissan North America, Inc. (Nissan) is recalling certain 2019-2021 Altima and 2020-2021 Sentra vehicles. Damage to the camera harness can cause distortion or loss of the rearview camera display image. 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 Nissan Altima?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
Autojunket OSC · OSC Transfer
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Nissan Altima by Year
Compare AutoScores across nearby years of the Nissan Altima. 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 Nissan Altima
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Where the 2021 Nissan Altima 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
Related Comparisons
Sell your 2021 Nissan Altima for what it's actually worth.
Log every service on your Nissan Altima. 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 Nissan Altima
How Long Does a Nissan Altima Last? (Real Owner Data)
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Nissan Altima Common Problems and Repair Costs
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Nissan Altima Years to Avoid (Worst to Best Ranked)
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