That's what I have found as well about the Nissan Rogue from searching here. I still have questions about it. I'll be patient.
I think the MSM reported the red Kia as the rental car (1:52 in this video).
Body camera shows aftermath of 2019 shooting that killed Charles Vallow
Edit: I take it back. They don't say it's the rental car, but it is the car LV is standing by and was the only vehicle in the scene that isn't accounted for.
Edit2: Now I'm reviewing the other bodycam footage:
Missing Idaho kids: New details surface about Chandler killing of Charles Vallow
At 3:23 when Alex says Lori is in the rental car, the officer turns to look across the street (where the red Kia is, with Lori and Tylee) and repeats back the question, "you think your sister's in the rental car?" I'm taking that to definitively mean the Red Kia is the rental car.