Is the 2021 Nissan Altima reliable?

Overall reliability is competitive for a midsize sedan, especially with consistent maintenance, but shoppers should pay close attention to CVT operation and service history when evaluating long-term dependability.

What are the most common 2021 Nissan Altima problems?

The most reported issues include CVT hesitation/shudder feel, occasional infotainment glitches (Bluetooth/touchscreen), and intermittent driver-assist sensor warnings that may require cleaning, updates, or calibration.

Are maintenance costs high for a 2021 Altima?

Costs are typically moderate for the class, with routine items like oil, filters, brakes, and tires being straightforward; the main cost-sensitive area is CVT-related service, where regular fluid maintenance can help avoid larger repairs.

What are the best years to buy for a Nissan Altima?

Many buyers focus on newer sixth-generation models (2019 and up) for updated safety tech and design, and it’s smart to compare trims, service records, and any completed updates rather than choosing by year alone.

What should I check before buying a used 2021 Nissan Altima?

Test drive for CVT smoothness (no shuddering, slipping, or delayed engagement), verify maintenance records (including any transmission service), confirm all infotainment functions work, scan for warning lights, and ensure driver-assist features operate without repeated alerts. For a deeper dive, get a complete owner’s guide with full specs, trim details, and the recommended maintenance schedules to help you buy smarter and keep your Altima running its best.

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

2021 Nissan Altima Reliability ReportCommon Problems, Repair Costs & Expert Verdict

78/ 100

MODERATE RISK

Grade: C+

A comfortable cruiser with good fuel economy, but the CVT remains a looming question mark for high-mileage ownership.

Full system breakdown + what I would do

Should 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.

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 break first on the 2021 Nissan Altima. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Continuously Variable Transmission (CVT)major

Electrical Systems & Infotainmentminor

Suspension Componentsmoderate

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

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.

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Nissan Altima by Year

Compare reliability scores across nearby years of the Nissan Altima. Click any year for its full report.

All Nissan Altima years ranked →Nissan Altima years to avoid →Nissan Altima common problems →

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Frequently Asked Questions

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