2008 Toyota Highlander Owners Manual - Page 1125

6-1. Specifications n Engine number The engine number is stamped on the engine block as shown. Engine Model Type Bore and stroke Displacement Drive belt tension 2GR-FE 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 (Reference) Unleaded gasoline only 87 (Research Octane Number 91) or higher 19.2 gal. (72.5 L, 15.9 lmp.gal.) 532