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

2018 Nissan Altima Reliability ReportCommon Problems, Repair Costs & Expert Verdict

Autojunket OSC

Sell your car for what it's worth.

Every receipt, every service, one signed PDF you hand the buyer. OSC is the paperwork trail your resale price depends on.

  • OSC Transfer PDF — every receipt
  • Snap-a-receipt AI log
  • Fuel & mileage tracker
  • Shareable buyer view link
$9.99/mo or $79.99/yr · unlimited vehicles · cancel anytime
78/ 100

AutoScore

MODERATE RISK

Grade: C+

A budget-friendly sedan held back by the pervasive and costly risk of its CVT transmission.

Full system breakdown + what I would do

Quick Facts · 2018 Nissan Altima

  • Has 2 NHTSA recalls on record — the most notable involves the latches/locks/linkages:hood:latch.
  • Outscores the 2016 Nissan Altima by 16 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: cvt transmission (critical severity).
Quick Answers

The 2018 Nissan Altima at a glance

Is the 2018 Nissan Altima reliable?
Autojunket rates the 2018 Nissan Altima 78/100 (grade C+), categorized as moderate risk. A budget-friendly sedan held back by the pervasive and costly risk of its CVT transmission.
Should I buy a used 2018 Nissan Altima?
Autojunket recommends reading the full reliability report before buying a 2018 Nissan Altima. The 2018 Nissan Altima offers a comfortable, efficient, and affordable package, but the inherent risks associated with its CVT transmission prevent a confident recommendation. While a good example can provide years of service, the potential for a catastrophic and expensive transmission failure looms large. Be extrem…
Which Nissan Altima years are the most reliable?
Best model years to buy: 2018 (if carefully vetted with full service history and PPI). Years to avoid: 2013-2017 (due to similar or even higher CVT failure rates).
What are the most common problems with the 2018 Nissan Altima?
The top failure points on the 2018 Nissan Altima are CVT Transmission (typically around 60,000-120,000 miles), Braking System (typically around 20,000-40,000 miles), Electrical System (typically around 30,000-90,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
At what mileage do problems start on the 2018 Nissan Altima?
The first major mileage danger zone for the 2018 Nissan Altima is around 30,000. Low Risk Zone — At this mileage, the vehicle should still be covered by the basic factory warranty. Any issues are likely initial defects or premature wear on consumable items like tires and front brakes.

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 2018 Nissan Altima?

The 2018 Nissan Altima offers decent fuel economy and a comfortable ride, making it an appealing option for commuters. However, its Achilles' heel remains the continuously variable transmission (CVT), which poses a significant long-term reliability risk and warrants extreme caution during evaluation. Buyers must prioritize meticulous service history and a thorough pre-purchase inspection to mitigate potential headaches.

The 2018 Nissan Altima offers a comfortable, efficient, and affordable package, but the inherent risks associated with its CVT transmission prevent a confident recommendation. While a good example can provide years of service, the potential for a catastrophic and expensive transmission failure looms large. Be extrem…

Best Model Years

2018 (if carefully vetted with full service history and PPI)

Years to Avoid

2013-2017 (due to similar or even higher CVT failure rates)

Biggest Strengths

  • Good fuel economy for its class
  • Comfortable and quiet ride
  • Affordable purchase price

Top Risk Areas

The systems that tend to fail first on the 2018 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.

1
CVT Transmissioncritical~60,000-120,000 mi

Nissan's Xtronic CVT is notoriously prone to overheating, shuddering, and complete failure. Internal wear, valve body issues, and fluid breakdown are common culprits, leading to loss of power or total immobilization.

2
Braking Systemmoderate~20,000-40,000 mi

Owners frequently report premature wear of front brake pads and rotors, often leading to warping and vibration. This can necessitate earlier and more frequent brake service compared to competitors.

3
Electrical Systemminor~30,000-90,000 mi

Common complaints include issues with daytime running lights (DRL) or low beam headlights failing, infotainment system glitches (freezing, connectivity), and occasional door lock actuator malfunctions. While often minor, they can be pers…

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

2018 Nissan Altima Mileage Danger Zones

The mileage windows when the 2018 Nissan Altima most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the vehicle should still be covered by the basic factory warranty. Any issues are likely initial defects or premature wear on consumable items like tires and front brakes.

60,000

Maintenance Zone

This mileage often marks the end of the powertrain warranty for many Altima owners. Critical CVT fluid service is due, and neglecting it can significantly shorten transmission life. Suspension components may start showing early signs of…

90,000

Elevated Risk Zone

Beyond this point, the likelihood of CVT-related issues significantly increases. Other major components like engine mounts, struts, and electrical system elements may require attention. Comprehensive preventative maintenance is key.

120,000+

High Risk Zone

At these mileages, the vehicle is well into its lifespan, and the risk of a major CVT failure becomes very high if it hasn't already been replaced or rebuilt. All major systems are candidates for significant repair or replacement.

2018 Nissan Altima Ownership Cost Outlook

What it typically costs to keep the 2018 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

How Long Does the 2018 Nissan Altima Last?

Prioritize a 30,000-40,000 mile CVT fluid change interval using only genuine Nissan NS-3 fluid. Anything less and you're gambling with the most expensive component in the car.

What 2018 Nissan Altima Owners Actually Say

What Owners Love

  • Excellent highway fuel economy
  • Comfortable front and rear seating
  • Smooth and quiet ride quality
  • Spacious trunk for its class

Common Frustrations

  • Persistent anxiety over CVT longevity
  • Bland driving dynamics and lack of engagement
  • Premature front brake wear requires frequent service
  • Outdated infotainment system compared to rivals

Who Should Buy the 2018 Nissan Altima?

Best For

  • Budget-conscious commuters seeking fuel efficiency
  • Buyers prioritizing ride comfort over sporty handling
  • Individuals who understand and are prepared for potential CVT repair costs

Not Ideal For

  • Long-term ownership without a dedicated maintenance budget
  • Anyone who absolutely cannot afford a major, unexpected repair

How the 2018 Nissan Altima Compares to Rivals

While comfortable and efficient, the Altima's pervasive CVT issues place it behind top-tier competitors like the Accord and Camry in terms of long-term reliability and resale value, making it comparable to other mid-range sedans that also have their own common issues.

More Reliable Than

  • Dodge Charger (older models)
  • Chevrolet Malibu (2013-2015 generation)

Comparable To

  • Ford Fusion (2013-2016)
  • Hyundai Sonata (2015-2017)
  • Kia Optima (2016-2018)

NHTSA Recalls

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

LATCHES/LOCKS/LINKAGES:HOOD:LATCH

Nissan North America, Inc. (Nissan) is recalling certain model year 2013-2018 Nissan Altima vehicles. If the primary hood latch is inadvertently released, there is an increased likelihood that the secondary hood latch may corrode over time.

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

Nissan North America, Inc. (Nissan) is recalling certain 2018-2019 Nissan Altima, Armada, Frontier, Kicks, Leaf, Maxima, Murano, NV, NV200, Pathfinder, Rogue, Rogue Sport, Sentra, Titan, Titan Diesel, Versa Note and Versa Sedan vehicles, as well as Infiniti Q50, Q60, QX30 and QX80 vehicles. Additionally included are 2019 Nissan GT-R and Taxi and Infiniti QX50, QX60, Q70, Q70L vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

What breaks on the 2018 Nissan Altima?

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

Autojunket OSC · OSC Transfer

Sell your 2018 Nissan Altima for what it's actually worth.

Log every service. Sell with a signed PDF. Every receipt, mileage-verified, in the buyer's hands.

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 2018 Nissan Altima

Parts and accessories matched to your 2018 Nissan Altima

As an Amazon Associate I earn from qualifying purchases.

Autojunket vs. the rest

Where the 2018 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.

Feature
Autojunket
Carfax
CR

Year-specific reliability score

Common problems + repair costs

Mileage danger zone map

AI negotiation script + walk-away price

Single report price

Free
$44.99
$10/mo

Free reliability data. Save thousands on the wrong car.

Frequently Asked Questions

Final Step

Know every issue before you sign.

A free reliability report can catch a $3,000 problem. Full breakdown for the 2018 Nissan Altima — delivered in under 60 seconds.

Autojunket OSC

Sell your 2018 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
$9.99/mo or $79.99/yr · unlimited vehicles · cancel anytime
Autojunket OSC

You maintain your car. Make sure you can prove it.

The ownership record that lives with your VIN. Every service, every receipt, every mile — logged from day one and transferable to the next owner. $9.99/mo or $79.99/yr.