Toyota 2011 Prius Owner's Manual page 589

6-1. Specifications
Engine number
n
Engine
Model
Type
Bore and stroke
Displacement
Valve clearance
(engine cold)
Fuel
Fuel type
Octane Rating
Fuel tank capacity
(Reference)
568
PRIUS_U (OM47685U) DVD
The engine number is stamped
on the engine block as shown.
2ZR-FXE
4-cylinder in line, 4-cycle, gasoline
× ×
3.17 3.48 in. (80.5
3
109.7 cu. in. (1798 cm
Automatic adjustment
Unleaded gasoline only
87 (Research Octane Number 91) or higher
11.9 gal. (45 L, 9.9 Imp.gal.)
88.3 mm)
)