1999 Buick Century Reliability ReportCommon Problems, Repair Costs & Expert Verdict

The 1999 Buick Century at a glance

Is the 1999 Buick Century reliable?

Autojunket rates the 1999 Buick Century 80/100 (grade B-), categorized as moderate risk. A comfortable, no-frills sedan with an ironclad engine, if you proactively address its predictable gaskets and critically inspect for rust.

Should I buy a used 1999 Buick Century?

Autojunket recommends reading the full reliability report before buying a 1999 Buick Century. The 1999 Buick Century is a fundamentally sound and comfortable car, but its reliability hinges entirely on addressing known issues, primarily the intake manifold gaskets and potential subframe rust. If these crucial areas are thoroughly inspected and, if necessary, repaired, it offers excellent value as a basic, re…

Which Buick Century years are the most reliable?

Best model years to buy: 2000-2005 (later models in this generation saw minor refinements, though gasket issues persist). Years to avoid: None specifically for this generation, but earlier 3.1L engine applications (pre-1999) had even higher rates of gasket failure..

What are the most common problems with the 1999 Buick Century?

The top failure points on the 1999 Buick Century are Upper & Lower Intake Manifold Gaskets (typically around 60,000-100,000 miles), Front Subframe Corrosion (typically around 80,000-150,000 (varies by climate) miles), Power Steering System Leaks (typically around 40,000-90,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.

At what mileage do problems start on the 1999 Buick Century?

The first major mileage danger zone for the 1999 Buick Century is around 30,000. Low Risk Zone — At this mileage, the Century is typically still very fresh. Focus on routine oil changes, tire rotations, and general fluid checks. No major failures are expected here.