In brief, the oil filter for a 2018 GMC Acadia varies by engine. The most common configuration in 2018 Acadias is the 3.6-liter V6, which uses a standard GM oil filter such as the ACDelco PF63 or its equivalent. If your Acadia uses a different engine, such as the base 2.5-liter inline-four, the filter is a different specification. Always confirm the exact part using your VIN or the owner's manual.
Engine options and filter implications
The 2018 Acadia was offered with two main engines. Identifying which engine your vehicle has is the first step in selecting the correct oil filter, since filter part numbers vary between engine families.
3.6L V6 engine
Most 2018 Acadias use the 3.6-liter V6. For this engine, the OEM oil filter recommendation is typically the ACDelco GM Original Equipment filter PF63 (or an equivalent from a trusted aftermarket brand).
2.5L I4 engine
Some base or specific configurations used a 2.5-liter inline-four. This engine uses a different filter specification than the 3.6L V6, so it should be verified in the GM Parts Catalog or by your dealership using your vehicle’s VIN.
Before listing the exact references, here is a quick-reference guide to keep in mind:
- Engine identification is your starting point: 3.6L V6 vs. 2.5L I4.
- Use the owner's manual or GM Parts Catalog to confirm the correct oil filter part number for your VIN.
Concluding note: Always verify the precise filter with your VIN at a dealer or parts retailer, since part numbers can vary by production date, region, and trim level.
Summary
For most 2018 GMC Acadias equipped with the 3.6L V6, the recommended oil filter is the ACDelco GM Original Equipment PF63 or its equivalent. If your Acadia runs on the 2.5L inline-four, refer to the GM Parts Catalog or contact a GM dealer to confirm the exact part number for your VIN. When in doubt, use your VIN lookup to ensure the correct filter match.