2006 Lexus IS 350 User Guide - Page 385

6-1. Specifications Lubrication system IS250 Oil capacity (drain and refill) with filter 2WD models AWD models without filter 2WD models AWD models Oil grade 6.6 qt. (6.3 L, 5.5 lmp.qt.) 6.6 qt. (6.3 L, 5.5 lmp.qt.) 6.8 qt. (6.4 L, 5.7 lmp.qt.) ⎯ 6.2 qt. (5.9 L, 5.2 lmp.qt.) 6.2 qt. (5.9 L, 5.2 lmp.qt.) 6.3 qt. (6.0 L, 5.3 lmp.qt.) ⎯ ILSAC multi-grade engine oil Use Lexus approved "Toyota Genuine Motor Oil" or equivalent to satisfy the above grade and viscosity. IS350 Recommended oil viscosity Temperature range anticipated before next oil change *:5W-30 is an oil that provides optimal levels of fuel efficiency. Oil viscosity l 5W oils are for use in areas where the ambient temperature is -3°F (-25°C) or above. "10W" oils are for areas where the ambient temperature is -4°F (-20°C) or above. Oils with smaller figures are better for engine starting in cold weather and fuel efficiency. l XX-30 indicates oil viscosity. Oils with higher numbers have better stability at higher temperatures and are good for high-speed driving. 373 6 Vehicle specifications