[rconti]

Does the nav system do a good job of compensating? The "normal" display on the 3 is based on the EPA rating and is always wrong, but when I navigate, I find the trip range thing to be quite accurate -- even factoring in upcoming hills and traffic.

[newZWhoDis]

Yes, but you need to use the “energy” app and have nav destination set. The little mi number next to the battery is “miles of ideal range”, so flat 65mph 70 degrees etc.

The energy app shows you live estimates based on distance, elevation, wind speed, temperature, humidity, tire pressure, cabin climate load, and even your phone charger.

[plebianRube]

The energy app is pretty good, it fits pretty well with my double policy but I don't look at it anymore, since it requires diverting my attention moreso than glancing ant the estimate, and additional tapping to bring it up.

As a rule of thumb I halve the EPA estimate in winter and 2/3-3/4 it in summer.

I have had no range issues doing this for the 130000km + I have owned the vehicle.

Edit: If I'm going to tap, I check the Wh/km, as that is what I'm used to. It was better before they removed it from the swipe, but hey, we gotta fill those sprints somehow.

[plebianRube]

It may be better, but I generally look at my current Wh/km usage for an estimate of my remaining range.

Average over 130000km (3y) is 191Wh/km

Winter can be as bad as 330Wh/km (-30C 110km/h)

Summer can be good, but I've never seen a 100km trip better than 145Wh/km.

Generally the lower the remaining range, the better the EPA range (estimate) is.

[darknavi]

Worth noting that the range estimates in the navigation has been updated in the last ~6 months to be much more accurate and shockingly close to ABRP[0]. Previously I'd use ABRP to estimate battery usage (and I still do for planning road trips) but I can now trust Tesla's estimates reasonably in the car.

0: https://abetterrouteplanner.com/