900 Mile Road Trip Efficiency Test w/ Modded Cybertruck

[ButterEV]

I recently went on a 900 mile road trip and I was curious to see how efficient my CT was being that I have the CybertruckCo bed rack, KMC wheels and Falken Wildpeak AT4W tires.

Overall with driving with traffic, around 75-80 mph, my efficiency was 65-68% or 556 wh/mi which comes out to approximately 221 miles or so of range

I also cover my thoughts of FSD while on a long trip.

Hopefully you all enjoy the video!

Final wh/mi ended up being 556 wh/mi

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[AlmostHuman]

What was the Wh/mi?

 

[Stuck4ger]

What was the Wh/mi?

Yeah, that “%efficiency” metric is weird and I didn’t bother clicking on the video. I have 15,000 miles on my beast with a total average of 451 Wh/mi. Mostly flatlands but a few mountain range crossings. I usually target 75 or 80 mph depending on planned stops.

 

[ButterEV]

Yeah, that “%efficiency” metric is weird and I didn’t bother clicking on the video. I have 15,000 miles on my beast with a total average of 451 Wh/mi. Mostly flatlands but a few mountain range crossings. I usually target 75 or 80 mph depending on planned stops.

I explained the % metric in the video but I know you won’t watch it. The Tessie app provides this info which I use for all the data in the video

 

[ButterEV]

What was the Wh/mi?

Final wh/mi ended up being 556 wh/mi

 

[HaulingAss]

Yeah, that “%efficiency” metric is weird and I didn’t bother clicking on the video. I have 15,000 miles on my beast with a total average of 451 Wh/mi. Mostly flatlands but a few mountain range crossings. I usually target 75 or 80 mph depending on planned stops.

I stopped clicking his videos a long time ago, they add no value to anyone who knows the first thing about EVs.

I still wonder why someone would bolt on a bunch of things that will kill their battery faster like less efficient wheels and tires, unnecessary racks and other exterior appendages, tires that reduce performance and handling, and then drive long distances at freeway speeds and act like it's a surprise that it impacted the efficiency and cost to fuel.

 

[supa2001]

my stock AWD used about 600wh/mile driving around 80~85mph

 

[tmeyer3]

I stopped clicking his videos a long time ago, they add no value to anyone who knows the first thing about EVs.

I still wonder why someone would bolt on a bunch of things that will kill their battery faster like less efficient wheels and tires, unnecessary racks and other exterior appendages, tires that reduce performance and handling, and then drive long distances at freeway speeds and act like it's a surprise that it impacted the efficiency and cost to fuel.

Yes, because how other people enjoy their truck should certainly comply with your requirements of what is "value," and your apparent incredible depths of EV knowledge. /s You may be left to wonder...

Maybe instead we can learn and share experiences as a community since everyone may not be as ubiquitously informed as you? Just a crazy thought from a random community member.

Thanks for the valuable insights, @ButterEV !

 

[JBee]

I want to see him do a parachute/dragchute accessory next an see how good the range is then!

I clicked on the link hoping to see someone modify it to get better range. I wonder why nobody has tried it yet properly? Is it that hard to do?

 

[HaulingAss]

I want to see him do a parachute/dragchute accessory next an see how good the range is then!

I clicked on the link hoping to see someone modify it to get better range. I wonder why nobody has tried it yet properly? Is it that hard to do?

It's pretty hard to modify a Cybertruck to get better range than OEM because Tesla has already optimized it. Sure, you could improve it slightly, but not without nerfing it in other ways, the best strategy if you think you need as much range as possible is to not fuck up what Tesla has done.

I'm open to someone proving me wrong.

Probably the most obvious way to improve the highway range with minimal downside is to construct an aero tail for it (like out of foam board and glue) that attaches to the rear face of the tailgate and extends rearward about 6 feet. I figure that could be good for about a 5%-7% improvement at 75 mph if done properly.

 

[Cybertruck 1974]

Yes, it's not efficient. I drive 100 to 150 miles a day and get 70% of estimated range. Yesterday left with 100% est 310 miles of range with driving a total of 223 miles with only 3 miles left at end of trip!!
Lost a massive amount miles. Towing is useless. But we all knew this.

 

[supa2001]

Yes, it's not efficient. I drive 100 to 150 miles a day and get 70% of estimated range. Yesterday left with 100% est 310 miles of range with driving a total of 223 miles with only 3 miles left at end of trip!!
Lost a massive amount miles. Towing is useless. But we all knew this.

I think you need to drive below 70mph to get the estimated range

 

[Cybertruck 1974]

I think you need to drive below 70mph to get the estimated range

Lol, I've driven 27k miles so far and keep it at 65. Towing at 55. Real world stats just so you can learn.

 

[AbblePC]

I think you need to drive below 70mph to get the estimated range

I agree, as I was told by Tesla support by phone once, that with my now oldest Model S 90D, to remain below 70ph as much as possible as anything above 70 was essentially reducing the efficiency by almost x2.
Around here in central PA even on highways, the average speed is between 65 & 70 for cruising.
However I’ve noticed many people driving like speedy Gonzales and doing upwards of 90 the closer I get to anywhere east PA like Philly or even south central where I see lots of other out of state plates.
I get it, as you drive longer periods you tend to start picking up speed but honestly I’d rather hang around 70 and speed only when necessary to pass slow moving semis or other traffic congestion, just to gain the separation of not driving within a pack while on highway.

I see peoples related speed comments all over YouTube and wonder how in the world does everyone drive so fast yet expect great range?

 

[SentinelOne]

Yes, it's not efficient. I drive 100 to 150 miles a day and get 70% of estimated range. Yesterday left with 100% est 310 miles of range with driving a total of 223 miles with only 3 miles left at end of trip!!
Lost a massive amount miles. Towing is useless. But we all knew this.

Guessing high speed freeway (vs. epa cycle), that's what kills my range aka the i25 in Colorado is 75mph with everyone doing 85-95mph....I do it 2x's per week for 100miles....I could slow down but there's enough range so nope. Not a Tesla thing, it's an ev thing.

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