Tesla Cybertruck is Really Efficient! [Nxt Garage Analysis]

[fritter63]

Generally even cruise control is more efficient than a human driver. Autopilot and FSD would be even moreso.

They won't hypermile or anything, but computers are really good at holding a steady speed.

-Crissa

And I’ll testify that AP in town is much lighter on the accelerator than I am. ?

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[SparkChaser]

Great discussion. Some of the equations make my head spin a bit but I get the just of it.
improvements over time make the CT even better

 

[ajdelange]

Question about FSD..... will FSD have any negative effect on mileage range when engaged over a long trip?

The contrary. Every time the car speeds up a little it takes energy from the battery. When the car slows down most, but not all of it, gets returned to the battery. The autopilot holds speed better than you can so that it is more energy efficient but it should be clear that this is going to save a Wh or two per mile and not tens of Wh/mi.

 

[FutureBoy]

The autopilot holds speed better than you can so that it is more energy efficient but it should be clear that this is going to save a Wh or two per mile and not tens of Wh/mi.

Well, that assumes I try to drive in a fairly stable manner. LOL.

If I’m being sponsored by Redbull or Monster Energy I bet the difference would be more stark.

 

[Doug McAllister]

Future boy talked about doing 20 mpg while rock climbing, I hope he meant 2 mpg, even that’s pretty fast. The only time you would go 20 mph is if you rolled it bouncing down the rocks.

 

[FutureBoy]

Would the difference in efficiency drop down if one kept the driving speed on roads to be at the same speed as driving off-road? Ex: rock climbing at <20 mph so compare the different tire types efficiency on roads at <20 mph. I’m guessing that there wouldn’t be as much heat generated so less softening of the tires and less tire shape deflection. So possibly less difference in tire efficiency?

Future boy talked about doing 20 mpg while rock climbing, I hope he meant 2 mpg, even that’s pretty fast. The only time you would go 20 mph is if you rolled it bouncing down the rocks.

LOL. I was talking about tire efficiency and was trying to think of an example when efficiency could be compared without differences from tire heat, softened tires, or shape deflection. And I did use the "<" symbol to indicate less than.

But I'm guessing that the Trophy Trucks at Baja 1000 are doing their rock climbing at > 20 mph. Just sayin'.

For your example, I'm not sure how much the tire efficiency comes into play.

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