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

2018 Volvo S90 Reliability ReportC+ grade · moderate risk · system-by-system breakdown

78/ 100

KeepScore

MODERATE RISK

Grade: C+

A sophisticated luxury sedan that's a joy to own, but be prepared for the financial realities of maintaining its advanced engineering.

Full system breakdown + what I would do

Quick Facts · 2018 Volvo S90

  • The system most likely to surface first: electrical & infotainment (sensus) (moderate severity).
  • Has 2 NHTSA recalls on record — the most notable involves the seats.
  • Scores 7 points below the strongest nearby year — the 2019 Volvo S90 earns a 85.

Is the 2018 Volvo S90 Worth Buying?

The 2018 Volvo S90 offers an impressive blend of safety, luxury, and style, making it an attractive used executive sedan. While fundamentally well-built, its complex powertrains and sophisticated electronics can lead to expensive repair bills if not diligently maintained, pushing it into a 'proceed with caution' category for the budget-conscious buyer.

The 2018 Volvo S90 is a beautifully crafted and safe luxury sedan that delivers a premium ownership experience. However, its complex powertrains and sophisticated electronics demand a dedicated maintenance regimen and a budget for potential high-cost repairs. It's an excellent choice if you understand and accept the…

Best Model Years

2020-2023 (later software refinements, some TSBs addressed)

Years to Avoid

None explicitly, but early models (2017-2018) had more initial software bugs.

Biggest Strengths

  • Exceptional safety features and crashworthiness
  • High-quality interior materials and comfort
  • Robust core mechanicals (chassis, body integrity)

What Tends to Fail First on the 2018 Volvo S90

The systems that tend to fail first on the 2018 Volvo S90, 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
Electrical & Infotainment (Sensus)moderate~30,000-70,000 mi

Software glitches, frozen screens, unresponsive touch interfaces, and sensor failures are common. While often resolvable with software updates or resets, underlying hardware issues can occur, leading to costly diagnostic and replacement…

2
T6/T8 Powertrain Complexitymajor~60,000-100,000 mi

The supercharged and turbocharged 2.0L engines, especially with the hybrid T8 system, have more components to fail. Issues can range from PCV valve problems, supercharger clutch failures, or specific hybrid system sensor faults. Repairs…

3
Air Suspension System (if equipped)major~80,000-120,000 mi

Models equipped with the optional rear air suspension are susceptible to leaks in air springs, compressor failures, or height sensor malfunctions. This can lead to uneven ride height, a harsh ride, or complete system failure, with replac…

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

2018 Volvo S90 Mileage Danger Zones

The mileage windows when the 2018 Volvo S90 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the car is still relatively new. Focus on ensuring all factory software updates and any minor warranty items have been addressed. You might experience initial infotainment quirks.

60,000

Maintenance Zone

This mileage often aligns with major service intervals, including spark plugs and potentially transmission fluid for proactive owners. Keep an eye on PCV system health and early signs of supercharger wear on T6/T8 engines.

90,000

Elevated Risk Zone

Wear items start to accumulate here. If equipped, the air suspension system becomes a significant concern. Electrical gremlins can become more persistent, and engine accessory components may need attention.

120,000+

High Risk Zone

Beyond this point, major component failures become a real possibility. Transmission longevity, more extensive engine repairs (gaskets, turbos, supercharger), and significant electrical diagnostics are potential high-cost issues.

2018 Volvo S90 Ownership Cost Outlook

What it typically costs to keep the 2018 Volvo S90 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$600-900

Moderate Repairs

$800-2,500 occasionally

How Long Does the 2018 Volvo S90 Last?

For best long-term reliability and lowest stress, target models with under 60,000 miles that have a complete service history. Be wary of vehicles approaching or exceeding 90,000 miles without clear evidence of proactive maintenance or recent expensive repairs, particularly if they have air suspension.

What 2018 Volvo S90 Owners Actually Say

What Owners Love

  • Exceptional long-distance cruising comfort and quiet cabin.
  • Stunning interior design with high-quality materials and intuitive controls.
  • Class-leading safety features provide peace of mind for families.
  • Distinctive, elegant exterior styling that stands out from the crowd.

Common Frustrations

  • Sensus infotainment system can be slow, laggy, or glitchy at times.
  • Fuel economy for T6 models is often disappointing given its 4-cylinder nature.
  • Road noise can be pronounced on certain tire setups or rougher roads.
  • Expensive parts and specialized labor make routine service and repairs costly.

Who Should Buy the 2018 Volvo S90?

Best For

  • Individuals prioritizing safety and luxurious interior comfort.
  • Buyers seeking a distinctive luxury sedan that avoids common German marques.
  • Drivers who appreciate advanced technology and driver-assistance features.

Not Ideal For

  • Budget-conscious buyers seeking minimal repair expenses.
  • Those who prefer simple, naturally aspirated powertrains.

How the 2018 Volvo S90 Compares to Rivals

The S90 offers a distinct Swedish luxury experience that outshines some competitors in design and safety, but its advanced powertrain and electrical systems place it on par with German rivals for potential repair expenses, rather than the bulletproof reliability of Japanese lu…

More Reliable Than

  • 2018 BMW 5-Series (older generations had more significant reliability woes)
  • 2018 Mercedes-Benz E-Class (potentially higher overall repair costs)
  • 2018 Infiniti Q70 (less advanced tech, but generally good reliability)

Comparable To

  • 2018 Audi A6 (similar tech complexity, shared electrical nuances)
  • 2018 Genesis G80 (strong value, good reliability but newer brand)
  • 2018 Cadillac CT6 (luxury, advanced tech, some similar electrical quirks)

2018 Volvo S90 Recall History

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

SEATS

Volvo Car USA LLC (Volvo) is recalling certain 2018-2019 XC60 and S90 vehicles. The driver and passenger front seat rail rear flange nuts may not have been installed during assembly.

ELECTRICAL SYSTEM:SOFTWARE

Volvo Car USA LLC (Volvo) is recalling certain 2017-2019 Volvo XC90, S90, V60, V60 Cross Country, V90, XC40, XC60, and V90 Cross Country vehicles. The software installed in the Vehicle Connectivity Module (VCM) may have an error causing the Telematics and Driver Support Systems to function improperly. As a result, the GPS will not provide location information to emergency personnel in the event of an emergency.

What breaks on the 2018 Volvo S90?

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

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Other Volvo S90 Years to Consider

Compare KeepScores across nearby years of the Volvo S90. Click any year for its full report.

2018 Volvo S90 Alternatives

Similar class, similar year range — ranked by KeepScore.

Relevant Products for Your 2018 Volvo S90

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Frequently Asked Questions

Full Report

2018 Volvo S90

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

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