Ahh, you’re right that the RAV4 outsold the Camry (I must have misread something). But the Camry was #2 for 2021 (313k sales vs. 407k). The Corolla wasn’t too far behind at 248k sales. Tacoma was at 253k.
The top 10 models sold in the US last year:
- Ford F-Series (726,004)
- Ram Pickup (569,388)
- Chevy Silverado (519,774)
- Toyota RAV4 (407,739)
- Honda CR-V (361,271)
- Toyota Camry (313,795)
- Nissan Rogue (285,602)
- Jeep Grand Cherokee (264,444)
- Toyota Highlander (264,128)
- Honda Civic (263,787)
There are only two other true cars (Honda Accord #16 and Toyota Corolla #12) in the top 25.
Well, that’s strange. When I looked for the specs this morning before posting I found a link that said the battery was 35KW, but I did not save the link. 
Now when I look I find links that confirm what you posted. So I must have misread or they misreported the data I found earlier.
I did take a 15 mile trip earlier and when I arrived home the dash display said I had done 3 miles on electric. Take that for what it’s worth.
Except for highly technical sites, it’s basically a tossup whether a battery or motor will be specced as kilowatts, kilowatt-hours, or kilowatts per hour (an almost meaningless unit). So I have every confidence that it was actually the article you read that was wrong. Just as one example:
https://www.electrictruckresource.com/electric-truck-resources/ford-3-5l-powerboost-hybrid-specs/
Battery Size/Power: 35 Kilowatts per hour or 45 Horsepower
Uggggh. Even manufacturer sites often get this wrong, though they’re a little better.
3 miles on 1.5 kWh should be very doable with a truck–that’s 500 Wh/mi, compared to say ~250 Wh/mi for a Tesla Model 3. 5 miles would be 300 Wh/mi, which would be unbelievable at highway speeds but is probably possible when creeping along in traffic (I’ve gotten as low as 120 Wh/mi at very low speeds). Plus, who knows exactly how the computer is reporting things. If it shuts the gas engine off on downhill portions, it would bias the figure to less than the average (which means the gas engine is working harder to cover the remainder).
Two cars in the top 10 are a far cry from “no one wants a sedan now”.
Total sales and leases in 2020
Light trucks - 11,129,000
Cars - 3.426,000
It’s not “no one” but the market is pretty clear on what types of vehicles sell more.
Perhaps not, but there aren’t any sedans from the Big Three on that list, which may explain why they gave up the market. Why make a sedan that will sell so few, when instead they could be making more SUVs or pick-up trucks, which also have higher margins?
I found another list of the top fifteen autos, and the only American models were the Chevy Malibu and the Dodge Charger, with about 31,000 and about 42,000 in annual sales.
“Higher margins” on SUVs isn’t a signal that the market doesn’t want sedans at all, though. Even mildly declining popularity would make the market very competitive and squeeze margins. It should then not be a surprise that the least competitive players would decide to exit the market.
A number of CUVs are barely more than puffy sedans, anyhow. It’s not like there’s some drastic shift to everyone buying pickups. Sedan buyers seem to be largely shifting to slightly larger models, with hatchbacks, but on pretty much the same platforms.
Musician Neil Young modified a 1959 Lincoln Continental into a hybrid electric vehicle with an ethanol fueled microturbine range extender.
So, to something other than a sedan. A CUV built on the same platform as a sedan is not a sedan. Even a lot of SUVs share a platform, the RAV-4 shares a platform with the Corolla and the Highlander shares a platform with the Camry.