Lexus LS 600h L 2012 Owner's Manual page 551

6-1. Specifications
■
Engine number
Engine
Model
Type
Bore and stroke
Displacement
Drive belt tension
Fuel
Fuel type
Octane rating
Fuel tank capacity
(Reference)
548
The engine number is stamped on
the engine block as shown.
2UR-FSE
8-cylinder V type,
4-cycle, gasoline
3.70 × 3.52 in.
(94.0 × 89.5 mm)
303.2 cu.in.
3
(4969 cm )
Automatic adjustment
Premium unleaded gasoline only
91 (Research octane number 96) or higher
22.2 gal. (84 L, 18.4 Imp. gal.)