Generally speaking, If GPS is enabled, it should be very accurate, the margin of error could be a few meters (3–10m).
If GPS is disabled, WiFi & mobile data on, the accuracy could be 5–100 meters.
If GPS & mobile data disabled, WiFi on, the accuracy could be 10–100 meters.
If GPS & WiFi disabled , data on, the accuracy could be 20–500 meters or even more depending on how many cell towers are there in your area.