The 2002 Buick Century uses a 3.1-liter V6 engine as its standard powerplant.
Engine overview
The Century’s powerplant is part of General Motors’ 3.1-liter V6 family, a long-running workhorse used across several GM mid-size models in the 1990s and early 2000s. In the Century, it was tuned for smooth, everyday driving rather than high performance.
Configuration and displacement
The engine is a V6 with a 3.1-liter displacement, designed for front-wheel-drive applications in the Century. It delivers steady torque suitable for daily commuting and highway merging.
Power output and drivability
Transmission pairing and fueling
Performance and driving characteristics
EPA estimates for this configuration generally place combined efficiency in the practical range for mid-2000s family sedans with a V6 and 4-speed automatic. The engine’s design emphasizes quiet operation and a smooth, predictable power curve rather than high-revving performance.
Maintenance and reliability considerations
As with most 3.1-liter GM V6 engines of the era, routine maintenance helps preserve performance and longevity. Common maintenance tasks focus on fluids, filters, and cooling system upkeep, as the engine relies on robust coolant management and clean fuel delivery for consistent performance.
Before performing or scheduling maintenance, consult the vehicle’s owner manual for the specific service intervals and recommended fluids, as these can vary by production date and market.
Maintenance considerations at a glance include: regular oil and filter changes, periodic cooling system checks, air filter replacement, spark plug inspection, and transmission fluid changes per GM guidelines.
Regular care can help ensure the Century’s 3.1-liter V6 remains dependable for daily driving and long-term ownership.
Summary
How many miles can a 2002 century last?
The car ran great. Had the breaks done, tires, oil changes, and few tune ups. Never had any other problems! I drove the car up to 235,000 miles (5 years of owning it) - and if I didn't total it, I guarantee I would still have the car.
What kind of engine does a 2002 Buick Century have?
3.1-liter V6 engine
Available in Custom and Limited trims, the Century features a 175-horsepower 3.1-liter V6 engine that drives the front wheels via a 4-speed automatic transmission.
Is the 2002 Buick Century a good car?
As a dependable, every-day vehicle, many owners find that the Century admirably fulfills its role, reliably transporting them from Point A to Point B without much fuss. Its accommodating nature and ease of operation lend themselves well to city driving, benefiting commuters and errand-runners alike.
What common problems did the 2002 century have?
Top 2002 Buick Century Problems
- Intake Manifold Gaskets May Leak Coolant or Engine Oil.
- Power Window Switch May Fail.
- Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting.
- Power Window Motors May Fail From Overheating.
- Check Engine Light Due to Gas Cap Issue.