Complete Oil Specifications
Your 2024 Subaru Forester (2.5L) utilizes a Boxer engine design which requires specific oil flow characteristics for optimal lubrication of the horizontally opposed pistons.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API Rating | SP |
| Capacity (with filter) | 4.4 quarts |
| Oil Filter | Subaru 15208AA170 |
| Normal Interval | 6000 miles |
Why 0W-20 is Critical for This Engine
The Boxer 2.5L relies on oil pressure to maintain its timing chain tensioners and variable valve timing (AVCS). 0W-20 ensures that oil reaches the cylinder heads quickly upon startup, especially in cold climates where Subarus excel.
Using incorrect oil will:
- ❌ Lead to increased oil consumption (a known Boxer trait with wrong viscosity)
- ❌ Potential timing chain guide wear
- ❌ Impact the fuel efficiency of the symmetrical AWD system
Subaru-Approved Oil Brands
-
✅ Subaru Genuine Synthetic 0W-20
-
✅ Idemitsu Zepro 0W-20
-
✅ Mobil 1 Advanced Full Synthetic 0W-20
-
✅ Pennzoil Platinum Full Synthetic 0W-20
-
✅ Valvoline Advanced Full Synthetic 0W-20
Severe Service Check
Subarus are built for the outdoors. Shorten your interval to 3000 miles if you:
- Drive in dusty or muddy conditions
- Tow a small trailer or carry heavy rooftop cargo
- Frequent short trips in freezing weather
- Drive primarily in mountainous terrain
Installation Details
Drain Plug Torque: 31 ft-lbs
⚠️ Warning: The oil filter is conveniently located on top of the engine. Do not confuse the transmission drain plug (located further back) for the oil drain plug!
OEM Filter: Subaru 15208AA170
Aftermarket Filters:
-
Mobil 1 M1-110A
-
WIX 57055
-
Fram XG7317
Pro Tip: Always use a new 16mm crush washer. Subaru pans are sensitive to leaks if the old washer is reused.
FAQs
What oil does a 2024 Subaru Forester take?
0W-20 full synthetic motor oil.
How many quarts does it need?
4.4 US quarts with a filter change.
Can I use 5W-30?
Only as a temporary measure if 0W-20 is unavailable, but it should be replaced at the next opportunity.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-03-13 | Source: 2024 Subaru Forester Owner’s Manual