5W-20 Full Synthetic Gasoline Engine Oil is a premium, high-performance motor oil designed specifically for modern gasoline engines. Here’s a comprehensive breakdown:
What It Is
- Viscosity Grade: SAE 5W-20
- 5W: Low-temperature flow (excellent cold-start protection, even in winter).
- 20: Operating viscosity at high temperatures (thinner than 30/40-weight oils).
- Type: 100% Full Synthetic
- Made from chemically engineered base oils (Group IV or V), not refined crude.
- Superior to conventional or synthetic blends.
Key Benefits
| Feature | Benefit |
|---|---|
| Full Synthetic Base | Greater resistance to thermal breakdown, oxidation, and sludge |
| Low Viscosity (5W-20) | Improves fuel economy (CAFE standards), reduces engine wear |
| Enhanced Cold-Start Protection | Flows quickly at startup, reducing wear in sub-zero temps |
| High Detergency & Dispersancy | Keeps engine cleaner, prevents deposits |
| Extended Drain Intervals | Often supports 7,500–15,000+ miles (per OEM specs) |
Common Applications
Recommended or required by many modern OEMs, including:
- Ford (most 2011+ gasoline engines)
- Honda/Acura (many 4-cyl & V6 models)
- Toyota/Lexus (select models)
- Chrysler, Mazda, Hyundai/Kia (various models)
- GM (some EcoTec engines)
Always check your owner’s manual – using the wrong viscosity can void warranty or harm engine.
API & ILSAC Ratings (Typical)
- API SP (or SN Plus) – Latest gasoline engine standard
- ILSAC GF-6A/GF-6B – Fuel economy + LSPI protection
- dexos1™ Gen 3 (GM-approved versions)
- Ford WSS-M2C945-B1 (Ford spec)
Popular Brands (Examples)
| Brand | Product Name |
|---|---|
| Mobil 1 | Extended Performance 5W-20 |
| Pennzoil | Ultra Platinum 5W-20 |
| Valvoline | SynPower / Extended Protection |
| Castrol | EDGE 5W-20 |
| Royal Purple | High Performance Synthetic |
| Amsoil | Signature Series 5W-20 |
When to Use
- Required by OEM for warranty (e.g., Ford EcoBoost, Honda K-Series)
- Preferred for turbocharged, direct-injection (GDI) engines
- Ideal for stop-and-go driving, extreme climates, or towing (within limits)
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