Oldsmobile Alero ReliabilityAll Years Ranked (1999–2003)
Side-by-side reliability scores, risk levels, and owner-cost projections for every Oldsmobile Alero we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Alero across generations.
Average Score
73/100
Best Year
2001 Oldsmobile Alero
Score 76
Weakest Year
2000 Oldsmobile Alero
Score 68
Every Oldsmobile Alero Ranked
Sorted by reliability score. Each link opens the full year-specific report.
A value-packed sedan that demands diligent electrical and transmission oversight to remain a reliable daily driver.
Top risks: Electrical System · Automatic Transmission (4T40E/4T45E) · Rust and Corrosion
A budget-friendly choice that can be surprisingly reliable if specific known issues are proactively addressed.
Top risks: Engine - 3.4L V6 Intake Manifold Gaskets · Electrical System · Rust and Corrosion
A budget-friendly car that delivers basic transportation, but demands vigilance for its well-known failure points.
Top risks: Engine Gaskets (3.4L V6) · Electrical System · Brake & Fuel Lines
A practical, affordable choice for basic transport, but diligence in maintenance and pre-purchase inspection is paramount.
Top risks: Electrical System · Automatic Transmission · Rust and Corrosion
A budget-friendly compact car that can offer decent value if you're prepared for its common electrical and engine-related quirks.
Top risks: Engine Intake Manifold Gaskets (3.4L V6) · Electrical System & BCM · Automatic Transmission (4T40-E/4T45-E)
Problems That Follow the Alero Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Electrical System
Appears in 4 model years · 80% of generations
Rust and Corrosion
Appears in 3 model years · 60% of generations