Thanks. Sounds like you had similar results (about 1.8 mi/kWh)Not that I'm looking for any attention on the post I made in the "Trip Reports / Journals / Logs", but I posted my experiences with a Thule RTT mounted on the bed of my R1T. It might have some useful info per this discussion.
FWIW. - https://www.rivianforums.com/forum/...trip-indiana-texas-new-mexico-and-back.15699/