AVOIR

1998 Buick Riviera

Ownership intelligence · Midsize Cars · Regular Gasoline
68
Average
High Risk
AVOIR Score out of 100
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Category Scores

Reliability 86
Longevity 77
Maintenance 65
Depreciation 54
Performance 67
Efficiency 36

Reliability & Ownership FAQ

Is the 1998 Buick Riviera reliable?

AVOIR rates the 1998 Buick Riviera's reliability 86/100 — excellent — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 68/100 (Average).

How long will a 1998 Buick Riviera last?

AVOIR scores the 1998 Buick Riviera's longevity 77/100 (good), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.

What does it cost to own a 1998 Buick Riviera?

AVOIR scores the 1998 Buick Riviera on maintenance 65/100 and depreciation 54/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.

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AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.