2018 Buick Regal Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2018 Buick Regal
- 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.
- The system most likely to surface first: infotainment/electrical (minor severity).
The 2018 Buick Regal at a glance
- Is the 2018 Buick Regal reliable?
- Autojunket rates the 2018 Buick Regal 87/100 (grade A-), categorized as low risk. A reliable, comfortable, and often overlooked gem that delivers European engineering at an accessible price.
- Should I buy a used 2018 Buick Regal?
- Autojunket recommends reading the full reliability report before buying a 2018 Buick Regal. 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…
- Which Buick Regal years are the most reliable?
- Best model years to buy: 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..
- What are the most common problems with the 2018 Buick Regal?
- The top failure points on the 2018 Buick Regal are Infotainment/Electrical (typically around 15,000-60,000 miles), Engine Oil Leaks (2.0T) (typically around 70,000-110,000 miles), A/C Compressor/System (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 2018 Buick Regal?
- The first major mileage danger zone for the 2018 Buick Regal is around 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.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2018 Buick Regal?
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
Top Risk Areas
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.
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.
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.
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.
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.
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.
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.
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.
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
NHTSA Recalls
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.
Autojunket OSC · OSC Transfer
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Buick Regal by Year
Compare AutoScores across nearby years of the Buick Regal. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
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Where the 2018 Buick Regal 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
Sell your 2018 Buick Regal for what it's actually worth.
Log every service on your Buick Regal. 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
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