Complete Oil Specifications
Your 2023 Cadillac XT5 2.0T requires full synthetic 0W-20 motor oil meeting GM’s dexos1 Gen 3 specification. Using non-dexos1 oil in this engine voids the GM powertrain warranty and may cause premature deposits in the LSY turbocharger.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API Rating | SP |
| ILSAC Rating | GF-6A |
| Capacity (with filter) | 5.3 quarts |
| Oil Filter | ACDelco PF66 |
| Normal Interval | 7500 miles |
Why 0W-20 is Critical for This Engine
The LSY is a direct-injection turbocharged engine where fuel can briefly contact cylinder walls before combustion. GM’s dexos1 Gen 3 spec was specifically formulated to prevent Low-Speed Pre-Ignition (LSPI) — a destructive knock event unique to GDI turbo engines. The 0W-20 viscosity also reduces parasitic losses in GM’s hydra-matic automatic transmission integration, improving the XT5’s combined fuel economy.
Using incorrect oil will:
- ❌ Void the GM powertrain warranty (dexos1 is a licensing requirement)
- ❌ Risk LSPI events that can bend connecting rods and crack pistons
- ❌ Accelerate turbocharger oil coking at high engine loads
Cadillac-Approved Oil Brands
-
✅ ACDelco dexos1 Gen 3 Full Synthetic 0W-20
-
✅ Mobil 1 Advanced Full Synthetic 0W-20
-
✅ Pennzoil Platinum Full Synthetic 0W-20
-
✅ Castrol EDGE 0W-20 Advanced Full Synthetic
-
✅ Valvoline Advanced Full Synthetic 0W-20
Look for the dexos1 Gen 3 license symbol on the oil bottle. Not all 0W-20 oils carry this certification.
Severe Service Check
You need the 5000-mile interval if you:
- Drive mostly short trips under 5 miles in urban areas
- Idle frequently in traffic or in drive-through lines
- Drive in sustained extreme heat (above 100°F) or below -20°F
- Carry maximum payload frequently
Installation Details
Drain Plug Torque: 18 ft-lbs ⚠️ The LSY uses a plastic quick-turn drain plug. Hand-tighten only after threading — overtightening strips the plastic housing.
OEM Filter: ACDelco PF66
Aftermarket Filters:
-
Bosch 3300
-
Mobil 1 M1-113A
-
Wix 57060
Pro Tip: The PF66 filter uses a standard thread — but the surrounding area is tight. Use a 65mm cap-style filter wrench rather than a strap wrench to avoid slipping and damaging the surrounding plastic.
FAQs
What oil does a 2023 Cadillac XT5 2.0T take? 0W-20 full synthetic oil meeting GM dexos1 Gen 3 specification (API SP / ILSAC GF-6A).
How many quarts does it need? 5.3 quarts with a new filter, 4.8 quarts without.
Can I use any 0W-20 oil in my XT5? No — it must carry the GM dexos1 Gen 3 certification. Using uncertified oil may void your warranty.
Is synthetic oil required? Yes — dexos1 Gen 3 is by definition a full synthetic specification.
How often should I change the oil? Every 7500 miles for normal driving, every 5000 miles under severe conditions.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-03-31 | Source: 2023 Cadillac XT5 Owner’s Manual