2013 Toyota Tundra CrewMax Owners Manual - Page 634

6-1. Specifications Fuel Engine Fuel type Octane rating (Unleaded gasoline) Ethanol percentage (E85) Fuel tank capacity (Reference) Gasoline engine Unleaded gasoline only Flex-fuel engine Unleaded gasoline, E85, or a blend of the two fuels 87 (Research octane number 91) or higher ⎯ 85% or less 26.4 gal. (100.0 L, 22.0 lmp.gal.) Lubrication system Oil capacity (Drain and refill - reference*) With filter 4.0L V6 (1GR-FE) engine 6.4 qt. (6.1 L, 5.4 Imp.qt.) 4.6L V8 (1UR-FE) and 5.7L V8 (3UR-FE, 3UR-FBE) engines 7.9 qt. (7.5 L, 6.6 Imp.qt.) 4.0L V6 (1GR-FE) engine 5.9 qt. (5.6 L, 4.9 Imp.qt.) 4.6L V8 (1UR-FE) and 5.7L V8 (3UR-FE, 3UR-FBE) engines 7.5 qt. (7.1 L, 6.2 Imp.qt.) Without filter 6 Vehicle specifications *: The engine oil capacity is a reference quantity to be used when exchanging. Warm up and turn off the engine, wait more than 5 minutes, and check the oil level on the dipstick. 675