Castrol EDGE 5W-30 Full Synthetic Motor Oil, 5-Quart — Advanced wear protection and high-temperature stability

Castrol EDGE 5W-30 is an advanced full synthetic motor oil engineered to deliver superior wear protection, stable viscosity, and consistent high-temperature performance for modern gasoline engines.

Designed for drivers who demand dependable engine performance and extended oil-change intervals, Castrol EDGE 5W-30 combines modern additive chemistry with rigorous industry approvals. It targets improved fuel economy, reduced sludge formation, and robust protection under high stress, making it suitable for a wide range of vehicles that specify 5W-30 synthetic oil.

What key benefits does this oil deliver for daily driving?

Castrol EDGE 5W-30 focuses on core areas that affect everyday engine health and efficiency. It maintains stable viscosity across a wide temperature range and reduces mechanical wear, so engines start smoothly and run cleanly during normal commuting and highway trips.

• 3x stronger against viscosity breakdown than leading synthetics (Kurt Orbahn test).
• Improved fuel economy through controlled friction characteristics.
• Enhanced sludge control to keep oil passages and filters cleaner.
• High-temperature stability to protect during sustained hard driving.

How does Castrol EDGE perform under high-stress or demanding conditions?

This formulation is optimized for high-load and high-temperature environments, helping components resist wear when engines are pushed hard. Laboratory engine tests show notable improvements over API baseline limits for high-stress scenarios.

• 10x better high-stress performance measured by Seq IX testing.
• Maintains protective film at elevated temperatures to minimize metal-to-metal contact.
• Reduces deposit formation during extended high-load runs.

Can I use this oil to extend oil-change intervals and still protect my engine?

Castrol EDGE 5W-30 supports longer service intervals when used according to manufacturer guidance and local maintenance schedules. The formulation provides durability for extended drain recommendations, though always follow your vehicle maker's specified interval.

• Rated for up to 20,000 miles between changes in appropriate service schedules (or one year).
• High thermal stability reduces breakdown over extended intervals.
• Meets engine test requirements to support extended drain capability.

Which vehicle specifications and approvals does this oil meet?

This Castrol product meets a broad set of industry standards and manufacturer approvals, making it compatible with many modern gasoline engines. Check your owner's manual for compatibility with API, ILSAC, and OEM requirements.

• Exceeds API SQ / SP / SN PLUS / SN performance levels.
• Meets ILSAC GF-7 and is approved for GM dexos1 Gen 3.
• Meets various OEM test requirements including Chrysler MS 6395, Ford WSS-M2C946-B1, and Ford WSS-M2C961-A1.

Who is this for: Castrol EDGE 5W-30 is aimed at drivers of modern gasoline-powered cars who want a premium full synthetic oil offering strong wear protection, stable viscosity across temperatures, and compatibility with extended service intervals. It is particularly suitable for owners who follow OEM approvals such as GM dexos1 Gen 3 or need a versatile 5W-30 grade for mixed driving conditions, from daily commutes to spirited highway runs. Always verify your vehicle’s recommended viscosity and approvals before use.

Features summary:

• 3X stronger than the leading full synthetic* (viscosity breakdown).
• 10X better high-stress performance** (Seq IX engine test).
• 20,000 miles between oil changes*** (or one year).
• Approved and licensed specifications including API SQ/SP/SN PLUS/SN, ILSAC GF-7, and GM dexos1 Gen 3.
• Meets engine test requirements of Chrysler MS 6395, Ford WSS-M2C946-B1, and Ford WSS-M2C961-A1.

*Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade. **As measured in Seq IX test under high load/torque conditions vs. API SQ test limits. ***Or one year, whichever comes first.