Toyota PRIUS Manual page 638

6-1. Specifications
 Engine number
Engine
Model
Type
Bore and stroke
Displacement
Valve clearance
(engine cold)
638
PRIUS PHV_OM_OM47831E_(EE)
The engine number is stamped
on the engine block as shown.
2ZR-FXE
4-cylinder in line, 4-cycle, gasoline
80.5  88.3 mm (3.17  3.48 in.)
3
1798 cm (109.7 cu.in.)
Automatic adjustment