2006 Toyota RAV4 Owners Manual - Page 303

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