Pontiac G6 Engine Oil Specs

Engine oil type, capacity & service interval for the Pontiac G6 (2005–2010). Select your year below for full specifications.

Typical Oil Grade
5W-30
Capacity
6.0 qt
Change Interval
5,000 mi
Years Available
6

Pontiac G6 Engine Oil Specs by Year

All 6 years
Year Engine Oil Grade Capacity Interval
2010 3.6L 6-Cylinder 5W-30 6.0 qt 5,000 mi View →
2009 3.5L 6-Cylinder 5W-30 6.0 qt 5,000 mi View →
2008 3.9L 6-Cylinder 10W-30 6.0 qt 5,000 mi View →
2007 3.9L 6-Cylinder 5W-30 4.6 qt 5,000 mi View →
2006 3.9L 6-Cylinder 5W-30 4.5 qt 7,500 mi View →
2005 3.5L 6-Cylinder 5W-30 5.5 qt 5,000 mi View →

Pontiac G6 Engine Oil Guide

The Pontiac G6 was produced from 2005 to 2010. This model typically uses 5W-30 full synthetic engine oil — a specification common to most Pontiac G6-series vehicles.

Selecting the correct oil viscosity for your Pontiac G6 is essential. Using a grade that is too thin reduces protection at operating temperature, while too thick an oil impairs cold-start flow and reduces fuel economy. Always match the exact grade shown for your specific model year.

The recommended oil change interval for the Pontiac G6 is every 5,000 miles or 6 months. Under severe driving conditions — track use, towing, or frequent cold starts — shorten this interval by 25–30%.

When servicing your Pontiac G6, always replace the oil filter at every oil change. Using a quality filter — such as the Mann or Mahle filters specified for Pontiac engines — ensures proper oil pressure and prevents unfiltered oil from circulating through the engine.

Oil change costs for the Pontiac G6 at a US dealership or independent European specialist typically range from $120 to $200 for a full synthetic service. DIY oil changes cost approximately $60–$90 in parts (oil + filter) and take about 30 minutes with the right tools.

Always consult your vehicle's owner's manual to confirm the exact specification for your specific trim and engine variant, as some Pontiac G6 configurations may have different requirements.

⚠ Important for Pontiac

Pontiac engines require BMW Longlife-approved full synthetic oil. Using non-approved conventional oil can damage the variable valve timing (VANOS) system and void your warranty.

Oil Level Check

Pontiac engines may consume small amounts of oil between services. Check the oil level via the iDrive display or dipstick every 1,000 miles to avoid running low, especially in older models.