Complete Oil Specifications
Your 2023 Cadillac XT4 with the 2.0L LSY turbocharged engine requires 0W-20 full synthetic oil meeting GM dexos1 Gen 3 specification (API SP / ILSAC GF-6A).
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| GM Approval | GM dexos1 Gen 3 / API SP |
| ILSAC Rating | GF-6A |
| Capacity (with filter) | 5.3 quarts |
| Oil Filter | ACDelco PF64 |
| Normal Interval | 7500 miles |
Why 0W-20 dexos1 Gen 3 is Critical for This Engine
The LSY 2.0T uses direct injection and a twin-scroll turbocharger — the same combination that makes Low-Speed Pre-Ignition (LSPI) a real concern. GM dexos1 Gen 3’s LSPI protection chemistry is mandatory for this engine. The 0W-20 viscosity provides near-instant oil pressure to the twin-scroll turbo bearings during cold starts, reducing the dry-start wear window that is the leading cause of premature turbo bearing failure. The LSY’s Variable Valve Timing system also depends on precise 0W-20 oil pressure to operate cam phasers within the narrow response band Cadillac calibrated.
Using incorrect oil will:
- ❌ Expose the engine to LSPI events that can fracture pistons or bend connecting rods
- ❌ Delay turbo bearing lubrication on cold starts with thicker-than-specified oil
- ❌ Void the Cadillac powertrain warranty — dexos1 Gen 3 is required, not optional
GM-Approved Oil Brands
-
✅ ACDelco dexos1 Gen 3 Full Synthetic 0W-20
-
✅ Mobil 1 dexos1 Full Synthetic 0W-20
-
✅ Pennzoil Platinum dexos1 Full Synthetic 0W-20
-
✅ Castrol Edge dexos1 Full Synthetic 0W-20
-
✅ Valvoline dexos1 Full Synthetic 0W-20
Only buy oils explicitly marked dexos1 Gen 3. The spec is visible on the back label of approved products.
Severe Service Check
You need the 3750-mile interval if you:
- Drive mostly short trips under 5 miles
- Live in areas with extreme winter temperatures (below 0°F)
- Drive aggressively in Sport mode regularly
- Operate in sustained extreme heat above 95°F
Installation Details
Drain Plug Torque: 18 ft-lbs
The XT4 uses an aluminum oil pan — replace the drain plug gasket every change and respect the torque spec.
OEM Filter: ACDelco PF64
Aftermarket Filters:
-
Wix 57502
-
Mobil 1 M1-113A
-
Fram XG10060
Pro Tip: The XT4’s Oil Life Monitor accounts for your specific driving behavior — it will recommend earlier changes for short-trip city drivers and longer intervals for highway commuters. Trust the system over a fixed mileage schedule.
FAQs
What oil does a 2023 Cadillac XT4 2.0T take?
0W-20 full synthetic oil meeting GM dexos1 Gen 3 (API SP / ILSAC GF-6A).
How many quarts does it need?
5.3 quarts with a new filter.
Can I use 5W-30 for better high-temperature protection?
No. The LSY is engineered around 0W-20. Using 5W-30 increases cold-start oil pressure delay and does not improve high-temperature protection in a modern turbocharged engine designed for ultra-low viscosity.
Is the XT4’s engine the same as the Chevy Equinox?
The Equinox uses the LTG 1.5T — a different engine. The XT4’s LSY 2.0T is shared with certain Chevy Blazer and Malibu variants.
How often should I change the oil?
Follow the Oil Life Monitor; approximately every 7500 miles for normal driving, 3750 miles for short-trip or spirited use.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-04-19 | Source: 2023 Cadillac XT4 Owner’s Manual