2012 Toyota Sienna Owners Manual - Page 816

6-1. Specifications Engine Model Type 1AR-FE engine 2GR-FE engine Bore and stroke 1AR-FE engine 2GR-FE engine Displacement 1AR-FE engine 2GR-FE engine Drive belt tension Valve clearance 1AR-FE, 2GR-FE 4-cylinder in line, 4-cycle, gasoline 6-cylinder V type, 4-cycle, gasoline 3.54 × 4.13 in. (90.0 × 105.0 mm) 3.70 × 3.27 in. (94.0 × 83.0 mm) 163.1 cu.in. (2672 cm3) 210.9 cu.in. (3456 cm3) Automatic adjustment Fuel Fuel type Octane rating Fuel tank capacity (Reference) Unleaded gasoline only 87 (Research Octane Number 91) or higher 20.9 gal. (79 L, 17.4 Imp.gal.) 6 Vehicle specifications 787 SIENNA_U (OM45477U)