2009 Toyota Sienna Owners Manual - Page 567

6-1. Specifications Engine Model Type Bore and stroke Displacement Drive belt tension Valve clearance 2GR-FE engine 6 cylinder V type, 4 cycle, gasoline 3.70 × 3.27 in. (94.0 × 83.0 mm) 210.9 cu.in. (3456 cm3) Automatic adjustment Fuel Fuel type Octane rating Fuel tank capacity Unleaded gasoline only 87 (Research Octane Number 91) or higher 20.9 gal. (79 L, 17.5 Imp.gal.) 544