Toyota PRIUS Owner's Manual page 660

660
8-1. Specifications
Engine number
■
The engine number is stamped
on the engine block as shown.
Engine
Model
Type
Bore and stroke
Displacement
Valve clearance
PRIUS_OM_OM47A31E_(EE)
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