Toyota 2006 Rav4 Owner's Manual page 300

The vehicle identification number (VIN) is
also on the Certification Label.
290
'06 Rav4_U (L/O 0601)
—Engine number
2.4 L 4- cylinder (2AZ- FE) engine
3.5 L V6 (2GR- FE) engine
The engine number is stamped on the
engine block as shown.
2005 RAV4 from Jan. '06 Prod. (OM42620U)