Mobil 1 Extended Performance 5W-20 advanced full synthetic motor oil is designed to deliver outstanding engine protection and protect critical engine parts for up to 20,000 miles between oil changes. Nothing outperforms Mobil 1 synthetic motor oil technology, which comes as standard equipment in many different vehicles, including select high-performance vehicles. Provides outstanding overall engine protection. Mobil 1 Extended Performance 5W-20 motor oil is specially formulated to protect during longer oil change intervals and meets or exceeds the industry's toughest standards.