Mobil 1 Annual Protection motor oil delivers the ultimate engine protection for 20,000 miles or one year—whichever comes first. Features include: * Ultimate full synthetic formula--assurance of longer-lasting protection and the best care for your engine * Proprietary anti-aging technology--controls breakdown to extend oil life, providing longer-lasting protection during extended oil change intervals * Maximizes wear protection--unsurpassed wear protection to help keep your engine running like new * Prevents harmful sludge--keeps engines cleaner, longer to help extend engine life * Longer-lasting protection--the potential for once-a-year oil changes and added convenience * Tested, proven technology--proven in actual vehicle testing to provide outstanding protection during extended oil change interval service * Engine guarantee--Mobil 1 Annual Protection limited warranty provides a guarantee of performance and protection for one year or 20,000 miles between oil changes, whichever comes first