2005 buick century horsepowerpdf
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2005 Buick Century Horsepower: The Complete Owner's Playbook
The 2005 Buick Century delivered 160 horsepower from its 3.1L V6 engine—a modest but reliable output suited for comfortable daily driving rather than spirited performance. This playbook breaks down everything you need to know about that powerplant, how to maximize it, and what to watch for as the vehicle ages.
Key Takeaways
- Horsepower: 160 hp @ 5,200 rpm
- Torque: 192 lb-ft @ 4,000 rpm
- Engine: 3.1L LH0 V6 (pushrod, 12-valve)
- 0–60 mph: Approximately 9.5–10.0 seconds
- Transmissions offered: 4-speed automatic (4T40-E)
- Weight: ~3,200 lbs curb weight
Engine Specifications at a Glance
| Specification | Detail |
|---|---|
| Engine Code | LH0 |
| Displacement | 3,130 cc (3.1 L) |
| Configuration | V6, 90° bank angle |
| Valvetrain | OHV, 2 valves per cylinder |
| Peak Horsepower | 160 hp @ 5,200 rpm |
| Peak Torque | 192 lb-ft @ 4,000 rpm |
| Fuel System | Sequential multi-port fuel injection |
| Compression Ratio | 9.4:1 |
| Bore × Stroke | 92.0 mm × 78.3 mm |
| Recommended Fuel | Regular unleaded (87 AKI) |
What 160 Horsepower Means in Real-World Driving
The 2005 Buick Century was engineered for comfort and refinement, not acceleration. With 160 horsepower moving roughly 3,200 pounds, expect