What type of synthetic oil do you put in 2005 range rover?

For a 2005 Range Rover, it's recommended to use synthetic oil that meets the specifications of API SL or higher and ACEA A3/B3 or A3/B4. A common choice is 5W-30 synthetic oil, which provides good performance across a range of temperatures. Always check the owner's manual for specific recommendations and any manufacturer updates regarding oil specifications.