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

2018 Chevrolet Trax Reliability ReportCommon Problems, Repair Costs & Expert Verdict

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72/ 100

AutoScore

MODERATE RISK

Grade: C-

A budget-friendly option, but its core mechanical components present a moderate risk for long-term ownership.

Full system breakdown + what I would do

Quick Facts · 2018 Chevrolet Trax

  • Has 2 NHTSA recalls on record — the most notable involves the suspension:front:control arm:lower ball joint.
  • The system most likely to surface first: engine (1.4l turbo pcv system) (major severity).
Quick Answers

The 2018 Chevrolet Trax at a glance

Is the 2018 Chevrolet Trax reliable?
Autojunket rates the 2018 Chevrolet Trax 72/100 (grade C-), categorized as moderate risk. A budget-friendly option, but its core mechanical components present a moderate risk for long-term ownership.
Should I buy a used 2018 Chevrolet Trax?
Autojunket recommends reading the full reliability report before buying a 2018 Chevrolet Trax. While the 2018 Trax offers an attractive price point and decent practicality, its known engine and transmission vulnerabilities demand a cautious approach. A thorough pre-purchase inspection and a clear budget for potential repairs are essential for any prospective owner. Without these precautions, you risk facing s…
Which Chevrolet Trax years are the most reliable?
Best model years to buy: 2019-2020 (minor improvements, but core issues remain). Years to avoid: 2015-2018 (earlier models with more widespread PCV/turbo complaints).
What are the most common problems with the 2018 Chevrolet Trax?
The top failure points on the 2018 Chevrolet Trax are Engine (1.4L Turbo PCV System) (typically around 50,000-90,000 miles), Transmission (6-Speed Automatic) (typically around 60,000-100,000 miles), Turbocharger Failure (typically around 70,000-110,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
At what mileage do problems start on the 2018 Chevrolet Trax?
The first major mileage danger zone for the 2018 Chevrolet Trax is around 30,000. Low Risk Zone — At this mileage, the Trax is typically still under its powertrain warranty. Minor electrical glitches or early maintenance items might appear, but major component failures are rare.

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 Chevrolet Trax?

The 2018 Chevrolet Trax represents a somewhat risky proposition in the used subcompact SUV market, largely due to its aging powertrain and a history of specific, recurring issues. While offering decent fuel economy and a compact footprint, potential buyers should proceed with caution and a thorough pre-purchase inspection to mitigate the risks associated with its known weak points, especially the engine's PCV system and turbocharger.

While the 2018 Trax offers an attractive price point and decent practicality, its known engine and transmission vulnerabilities demand a cautious approach. A thorough pre-purchase inspection and a clear budget for potential repairs are essential for any prospective owner. Without these precautions, you risk facing s…

Best Model Years

2019-2020 (minor improvements, but core issues remain)

Years to Avoid

2015-2018 (earlier models with more widespread PCV/turbo complaints)

Biggest Strengths

  • Good fuel economy for its class
  • Compact size is easy to maneuver and park
  • Standard infotainment with Apple CarPlay/Android Auto

Top Risk Areas

The systems that tend to fail first on the 2018 Chevrolet Trax, 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
Engine (1.4L Turbo PCV System)major~50,000-90,000 mi

The Positive Crankcase Ventilation (PCV) system is integrated into the intake manifold, and failure of the internal check valve or manifold itself can lead to excessive oil consumption, engine misfires, and eventual turbocharger failure.…

2
Transmission (6-Speed Automatic)major~60,000-100,000 mi

Common complaints include harsh or delayed shifts, especially between 1st and 2nd gear, and occasional slipping. This often points to solenoid issues, valve body problems, or clutch pack wear, requiring significant repair or replacement.

3
Turbocharger Failuremajor~70,000-110,000 mi

Directly related to PCV system issues and oil starvation, the turbocharger itself can fail, leading to loss of power, strange noises, and excessive smoke. This is often an expensive repair and can be a symptom of underlying engine problems.

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

2018 Chevrolet Trax Mileage Danger Zones

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

30,000

Low Risk Zone

At this mileage, the Trax is typically still under its powertrain warranty. Minor electrical glitches or early maintenance items might appear, but major component failures are rare.

60,000

Maintenance Zone

This mileage often coincides with the end of the original powertrain warranty, making it a critical point. Engine PCV system issues and early transmission concerns can begin to surface, requiring diligent inspection.

90,000

Elevated Risk Zone

Beyond 90k, the Trax enters a period where the likelihood of major engine (PCV, turbo) and transmission failures increases significantly, especially if previous maintenance or repairs were neglected. These repairs can be very costly.

120,000+

High Risk Zone

At this high mileage, the 2018 Trax is very likely to have experienced or be on the cusp of major engine or transmission overhauls. While some well-maintained examples exist, the risk of substantial repair costs is high.

2018 Chevrolet Trax Ownership Cost Outlook

What it typically costs to keep the 2018 Chevrolet Trax 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. PCV/manifold)

How Long Does the 2018 Chevrolet Trax Last?

Focus on models under 60,000 miles with impeccable service records; anything above 90,000 miles significantly increases your risk exposure to major powertrain failures.

What 2018 Chevrolet Trax Owners Actually Say

What Owners Love

  • Compact size makes parking and city driving easy.
  • Good fuel economy for an SUV.
  • Standard Apple CarPlay/Android Auto is a big plus.
  • Affordable purchase price on the used market.

Common Frustrations

  • Engine feels underpowered and noisy, especially merging onto highways.
  • Transmission shifts can be clunky and unrefined.
  • Interior materials are hard, cheap, and prone to scuffs.
  • Road noise is noticeable at highway speeds.

Who Should Buy the 2018 Chevrolet Trax?

Best For

  • City dwellers needing a compact, easy-to-park vehicle.
  • Budget-conscious buyers who understand the risks and budget for potential repairs.
  • Drivers primarily sticking to suburban or city routes, not long highway commutes.

Not Ideal For

  • Buyers seeking long-term, worry-free reliability without potential major repair costs.
  • Drivers who frequently travel long distances or require strong highway passing power.

How the 2018 Chevrolet Trax Compares to Rivals

The Trax generally lags behind segment leaders in terms of long-term reliability and driving refinement, often falling into a category with other budget-focused options that have significant powertrain weak points.

More Reliable Than

  • Ford EcoSport (less refined powertrain, more reliability issues)
  • Jeep Renegade (more complex AWD system, more widespread electrical gremlins)

Comparable To

  • Nissan Kicks (similar interior quality, better fuel economy, but CVT concerns)
  • Mitsubishi Outlander Sport (dated, but simpler powertrain)

NHTSA Recalls

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

SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

General Motors LLC (GM) is recalling certain 2017-2019 Chevrolet Trax vehicles. A joint in one or both of the front lower-control arms may have been improperly welded. An improperly welded joint may break, resulting in the partial separation of the lower-control arm from the vehicle.

SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

General Motors LLC (GM) is recalling certain 2015-2018 Chevrolet Trax vehicles. A joint in one or both of the front lower control arms may have been improperly welded. An improperly welded joint may break, resulting in the partial separation of the lower control arm from the vehicle.

What breaks on the 2018 Chevrolet Trax?

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

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Autojunket vs. the rest

Where the 2018 Chevrolet Trax 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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