The 1998 Buick Century is a mid-size, front-wheel-drive sedan designed for comfortable commuting, family errands, and budget-friendly highway cruising. It sits in Buick’s value-focused space below the LeSabre, offering a roomy cabin and soft ride without luxury-car pricing. For 1998, the Century continued the sixth-generation (1997–2005) design introduced with a major redesign for 1997, bringing more modern styling and updated safety and comfort features. It’s ideal for drivers who prioritize smoothness, easy ownership, and low-cost parts availability.

- 3.1L V6 (3100 SFI) engine: The most common engine for 1998, known for good low-end torque and relaxed cruising, typically paired with a 4-speed automatic transmission (4T60-E). - Comfortable, floaty ride quality: A classic Buick trait, with suspension tuning aimed at absorbing bumps and keeping noise levels low for daily driving. - Practical interior space: A roomy rear seat for a mid-size sedan and a large trunk make it a strong choice for errands, road trips, and families on a budget. - Easy-to-service layout and widely available parts: Repairs are generally straightforward for many shops, and aftermarket parts support is strong due to shared GM components. - Everyday convenience features (varies by trim): Many cars include power accessories, cruise control, air conditioning, and available leather or upgraded audio, depending on package and options.

Shoppers researching 1998 Buick Century problems often find that these cars can be dependable when maintained, but several recurring issues are well-known on the 3.1L V6 and related systems. 1) Intake manifold gasket leaks (coolant leaks) A very common 1998 Buick Century reliability concern involves coolant leaks from the lower intake manifold gasket on the 3.1L V6. Symptoms include coolant loss, overheating, milky oil, or a sweet smell from the engine bay. Many owners report this showing up around 80,000–140,000 miles, though it can vary widely. 2) Transmission shifting issues (4T60-E)