Lexus IS350 AWD Owner's Manual page 589

Engine
Model
Type
Bore and stroke
Displacement
Valve clearance
(engine cold)
Drive belt tension
Fuel
Fuel type
Octane Rating
Fuel tank capacity
(Reference)
IS350 AWD/IS350/IS300 AWD/IS300_U
IS350 AWD/IS350/
IS300 AWD
3.5 L 6-cylinder (2GR-FKS)
engine
6-cylinder V type,
4-cycle, gasoline
3.70  3.27 in.
(94.0  83.0 mm)
3
210.9 cu. in. (3456 cm )
Automatic adjustment
Automatic adjustment
Unleaded gasoline only
91 (Research Octane Number 96) or higher
17.5 gal. (66.3 L, 14.6 Imp. gal.)
9-1. Specifications
IS300
2.0 L 4-cylinder (8AR-FTS)
engine
4-cylinder in line,
4-cycle, gasoline
(with turbocharger)
3.39  3.39 in.
(86.0  86.0 mm)
3
121.9 cu. in. (1998 cm )
589
9