I believe that EPA required O2 sensors to be under warranty for 10 or more years,
"This letter is to notify you that Jaguar Land Rover North America, LLC has decided to
offer additional warranty benefits related to the Exhaust System Oxygen (O2) sensors
installed in certain vehicles listed below:..."
https://www.evoqueforums.net/attachments/exhaust-system-oxygen-o2-sensor-extended-warranty-1-pdf.4894/