Thread by @greentheonly

I got some flack last time for how my typical highway speeds are wrong to measure Tesla energy consumption.
So I decided to do a bit of a cosplay of the "typical slow Tesla". I set TACC to 75mph (all around reasonable hwy speed I hope).
Car is my new Tesla X LR+

No level ground here so did a 70 miles trip 35 miles each way, taking measurements along the way. In the telemetry picture you can see the speed was constant at 75 except where I turned around.
Elevation change 276m->316m->212m->312m->276m so should be all valid

On the first leg of the trip going downhill and dropping 70m of altitude I recorded 331Wh/mi at 75mph.

Going back uphill the consumption was 374Wh/mi
and the average for both ways 353Wh/mi.

This is with the "rated" mile at 274Wh/mi, but in reality I was getting close to the very same on my 2017 X 100D.

The LR+ highway range is a mirage. It really is!

Even if you drive like a grandma, you can get only about 275 miles on 100% charge (before accounting for degradation). At 80% charge (recommended value to supercharge to your range drops to 219.

If you drive like usual me - you are lucky to get 220-230 miles on 100% charge.

Hopefully nobody would have any strange idea about miraculous range in the new LR+ cars. The real world highway range on 100kWh battery is unchanged for the last 3 years. There are no miraculous efficiency gains.

The only change is perhaps if you brake the recapture is better

but obviously you don't brake on the highway - and highway is the place where you want the most range for obvious reasons.