The 2008 Chevy Impala is a full-size sedan known for comfort, durability, and affordable maintenance. With multiple V6 and V8 engine options, choosing the correct engine oil is essential for engine protection, smooth performance, and long-term reliability.
Proper oil maintenance helps reduce engine wear, prevents sludge buildup, and keeps oil pressure stable—especially in higher mileage Impala models.
2008 Chevy Impala Oil Type
The recommended oil type for the 2008 Chevy Impala is typically SAE 5W-30 engine oil for most engine variants. In colder climates, 0W-30 synthetic oil may also be used for improved cold starts.
Depending on engine configuration (3.5L, 3.9L, or 5.3L V8 SS), oil requirements may slightly vary, but 5W-30 remains the most widely recommended viscosity.
Best Choice: SAE 5W-30 full synthetic oil (Mobil 1, Castrol EDGE, Valvoline Advanced, Pennzoil Platinum).
2008 Chevy Impala Oil Capacity
Oil capacity depends on engine type and includes oil filter replacement.
Oil Filter Information
- OEM Filter: AC Delco PF47E / PF48E (varies by engine)
- Aftermarket Brands: Wix, Fram, Bosch, K&N
- Recommendation: Replace oil filter at every oil change
Oil Change Interval
Regular oil changes are critical for high-mileage Impala engines to prevent oil pressure issues and sludge buildup.
2008 Chevy Impala Oil Change Cost
- DIY Cost: $30 – $65
- Independent Shop: $60 – $120
- Dealership: $120 – $180
Common Oil-Related Issues
- Oil leaks from valve cover gasket
- Oil consumption in high mileage engines
- Low oil pressure warning sensor issues
- Sludge buildup from delayed oil changes
- Engine ticking noise due to old oil
Maintenance Tips for Longer Engine Life
- Always use SAE 5W-30 full synthetic oil
- Check oil level every 1,000–2,000 miles
- Replace oil filter every oil change
- Avoid extended oil change intervals
- Use high-mileage synthetic oil for older engines
Frequently Asked Questions
What oil does a 2008 Chevy Impala use?
It uses SAE 5W-30 engine oil for most engine types.
How much oil does it take?
It takes 4.0 to 6.0 quarts depending on engine type.
Can I use synthetic oil?
Yes, full synthetic oil is highly recommended for better protection.
How often should oil be changed?
Every 5,000–7,500 miles depending on driving conditions.
Final Thoughts
The 2008 Chevy Impala remains a dependable full-size sedan, but proper oil maintenance is essential—especially for high-mileage engines. Using high-quality synthetic oil and maintaining regular service intervals ensures long engine life and stable performance.
Quick Summary
- Oil Type: SAE 5W-30 Synthetic
- Capacity: 4.0 – 6.0 Quarts
- Interval: 5,000 – 7,500 Miles
- Best Practice: High mileage synthetic + regular checks