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

2018 Buick Regal Reliability ReportA- grade · low risk · system-by-system breakdown

87/ 100

KeepScore

LOW RISK

Grade: A-

A reliable, comfortable, and often overlooked gem that delivers European engineering at an accessible price.

Full system breakdown + what I would do

Quick Facts · 2018 Buick Regal

  • The system most likely to surface first: infotainment/electrical (minor severity).
  • Has 3 NHTSA recalls on record — the most notable involves the service brakes, hydraulic:foundation components:disc:caliper.
  • Outscores the 2017 Buick Regal by 9 points — one of the stronger nearby years to consider.

Is the 2018 Buick Regal Worth Buying?

The 2018 Buick Regal is a surprisingly strong contender in the used sedan market, leveraging its Opel Insignia roots for solid mechanicals and a comfortable, refined driving experience. While some electrical quirks and potential for oil leaks exist, this is one of the safest used mid-size vehicles you can acquire, offering excellent value and impressive longevity with proper care.

The 2018 Buick Regal is an underrated and highly reliable used car, offering fantastic value. Its robust mechanicals, comfortable ride, and practical design make it an excellent choice for those seeking a dependable sedan that's a bit different from the usual suspects. If you can overlook minor infotainment quirks a…

Best Model Years

2018-2020 (post-refresh models for updated styling and powertrains)

Years to Avoid

No specific years to avoid, but models before the 2018 refresh (based on the previous generation) have different characteristics.

Biggest Strengths

  • Robust 2.0L turbocharged engine (LTG/LSY)
  • Smooth and reliable 9-speed automatic transmission
  • Excellent ride comfort and quiet cabin insulation

What Tends to Fail First on the 2018 Buick Regal

The systems that tend to fail first on the 2018 Buick Regal, 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
Infotainment/Electricalminor~15,000-60,000 mi

Owners report issues with the IntelliLink system freezing, slow response, or connectivity problems with Apple CarPlay/Android Auto. While not catastrophic, it can be frustrating.

2
Engine Oil Leaks (2.0T)moderate~70,000-110,000 mi

The 2.0L LTG/LSY turbocharged engine can develop minor oil leaks from the rear main seal, valve cover, or timing chain cover gaskets over time. This is a common characteristic across many GM vehicles using this engine family.

3
A/C Compressor/Systemmoderate~50,000-90,000 mi

Some reports indicate premature failure of the A/C compressor or leaks within the system, leading to a loss of cooling capability. This is less widespread but worth noting.

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

2018 Buick Regal Mileage Danger Zones

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

30,000

Low Risk Zone

This mileage primarily involves routine maintenance like tire rotations, oil changes, and cabin air filter replacements. Most factory warranties are still active, covering any unexpected issues.

60,000

Maintenance Zone

At this point, you're looking at more significant preventative maintenance. Spark plugs are due, and transmission fluid changes should be considered, especially if the vehicle was driven hard or used for towing.

90,000

Elevated Risk Zone

This mileage range introduces a higher likelihood of age-related component wear. Watch for initial signs of engine oil leaks, worn suspension components, or A/C system issues.

120,000+

High Risk Zone

Beyond 120,000 miles, components like the turbocharger, fuel pump, or major suspension elements may require attention. Proactive carbon cleaning for the direct-injection engine should be considered if not already done.

2018 Buick Regal Ownership Cost Outlook

What it typically costs to keep the 2018 Buick Regal on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$450-650

Moderate Repairs

$600-1,800 occasionally (e.g., A/C compressor, significant oil leak repair)

How Long Does the 2018 Buick Regal Last?

While robust, the 2.0T direct-injection engine benefits from diligent oil changes every 5,000-7,500 miles and a proactive approach to carbon buildup prevention. Consider regular inspections for the common oil leak points beyond 70,000 miles to preempt costly repairs.

What 2018 Buick Regal Owners Actually Say

What Owners Love

  • Comfortable and quiet ride, excellent for highway cruising.
  • Powerful and efficient 2.0L turbocharged engine.
  • Surprisingly practical Sportback cargo area rivaling many crossovers.
  • Stylish and understated design, both interior and exterior.

Common Frustrations

  • Infotainment system can be slow or glitchy at times.
  • Automatic start/stop system is not always smooth or intuitive.
  • Rear visibility can be challenging due to the sleek roofline.
  • Some interior materials, while well-assembled, feel less premium than expected for a Buick.

Who Should Buy the 2018 Buick Regal?

Best For

  • Commuters seeking a comfortable and quiet ride.
  • Small families needing practical cargo space without a full SUV.
  • Value-conscious buyers looking for an upscale feel without the luxury price tag.

Not Ideal For

  • Performance purists expecting sports car handling (unless it's the GS model).
  • Those who prioritize absolute cutting-edge technology and flawless infotainment.

How the 2018 Buick Regal Compares to Rivals

The Regal offers a more refined, European driving experience than many domestic rivals, with strong powertrain reliability comparable to non-luxury Japanese sedans, but might fall short of segment leaders like Camry in terms of long-term perceived bulletproof reliability.

More Reliable Than

  • Ford Fusion (post-2016 models, general reliability)
  • Chrysler 200
  • Subaru Legacy (non-turbo models, for quietness/ride)

Comparable To

  • Honda Accord (in driving dynamics and comfort)
  • Mazda 6 (for driving engagement)
  • Volkswagen Passat

2018 Buick Regal Recall History

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

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.

SEAT BELTS:REAR/OTHER

General Motors LLC (GM) is recalling certain 2018 Buick Regal vehicles. During the manufacturing process, the rear seat belts may have been improperly routed around the bolster bracket on the rear outboard seats, which can cause inadequate restraint of the passengers.

What breaks on the 2018 Buick Regal?

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

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Other Buick Regal Years to Consider

Compare KeepScores across nearby years of the Buick Regal. Click any year for its full report.

2018 Buick Regal Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2018 Buick Regal

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Frequently Asked Questions

Full Report

2018 Buick Regal

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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