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Did Tesla just slow down our cars?

Did Tesla just slow down our cars?

It seems in the latest update that my Model 3 is much slower off the line. It doesn't throw you into the seat like it used to!

Did Tesla purposefully reduce acceleration? Can we please get it back?

lilbean | May 21, 2018

Is chill mode on?

burdogg | May 21, 2018

I have actually wondered the same thing - and I checked - chill mode is not on.

nobody123 | May 21, 2018

No, chill mode is not on, and it's so noticeable that I've checked chill mode probably half a dozen times to make sure it's not defaulting to it. Turned it off and back on, etc. just to make sure.

phil | May 21, 2018

Frankly, nothing Tesla does at this point would surprise me. This would fit perfectly into their ongoing campaign to 'disappear' the $35,000 base model, and upsell everyone to the $87k fully loaded model.

Frank99 | May 21, 2018

I've noticed the same thing, but I thought it was because I was simply getting used to the acceleration. Anybody capable of before-and-after 0-60 runs?

Bated Breath | May 21, 2018

There is another thread on this subject. At least two owners agreed their cars acceleration and deceleration were less abrupt after the most recent software update.

phil | May 21, 2018

The latest test results may lend some credence to the OP's (and burdogg's) impression. Consumer Reports tested the Model 3 acceleration 0-60 at 5.3 seconds (link below), which is quite a bit slower than previous tests by other organizations. MotorTrend, for example, measured the Model 3 0-60 at 4.8 seconds.

I wouldn't take this as definitive - testing methods vary, and can provide different results based on methods and conditions. But perhaps there is something going on.

https://www.consumerreports.org/hybrids-evs/tesla-model-3-review-falls-s...

andrewlee05 | May 21, 2018

I was thinking the same thing after updating mid last week. I had to double check to make sure chill mode was not on. They must've slowed it down.

Alex_SD | May 21, 2018

It's possible that they want to be closer to the published numbers. Why over do it?? You paid for 5.1 seconds, not 4.6... Get the AWD or PERF if you want more...

nobody123 | May 21, 2018

This is really frustrating. I hope they bring it back and didn't just reduce it artificially to put more room between the base model and the performance model.

lilbean | May 21, 2018

I didn’t notice. But my brother says I drive like an old lady.

slasher0016 | May 21, 2018

What software version are you guys on that are seeing decreased performance?

nobody123 | May 21, 2018

@slasher: The one that included chill mode.

base428 | May 21, 2018

Yes, we feel it is slower now with 2018.18.3.

slasher0016 | May 21, 2018

@nobody123 Open the Tesla app, the version is right there at the bottom.

andrewlee05 | May 21, 2018

2018.18.3. I had chill mode since 2018.14, last week's update added auto high beam and updated music source selector when the music app is minimized.

nranthonyvsu | May 21, 2018

I don't feel like the performance changed at all. Still pulls like a bat out of hell! Loving this car so much.

afrandx | May 21, 2018

We definitely need someone who had recorded a 4.8 0-60 to give it another run .. who was the kid that broke the record on a track?

nobody123 | May 21, 2018

@slasher: 2018.18.3

martinbogo | May 21, 2018

Mark and I will add a 0-60 test along with the 60-0 test this weekend for YouTube. He has 0-60 tests on his Model 3 ( 150xx VIN ) and so we can do a before/after comparison from December 17 to now.

afrandx | May 21, 2018

What is your YouTube channel name

djharrington | May 21, 2018

I’m on 18.3 and feeling no changes to mine. I’m still right at the verge or breaking traction when I have a high state of charge.

burdogg | May 21, 2018

@AlexDoro - ok, your right.... whatever. I have a 70D S and from the start, my 0-60 at 5.2 on the S was snappier off the line then the 3. I am not comparing the 0-60 times here - I am comparing the instant torque off the line. It is slower off the line when I first got it then my 70D S. NOW with the latest update, it is even slower off the line. I am not looking for 4.8 0-60 - so don't tell people to get AWD or performance if they want 4.8. No I want 5.1 and the off the line torque I was getting before. It starts to feel more like any other car of the line (ok not really, but does not feel like a Tesla off the line now).

MarylandS85 | May 21, 2018

@burdogg
Maybe I should hold off on updating my software. I’m on 2018.14.13 and just got a notification for an update. What do you guys think? Should I update or no?!

My Model S is in the shop for minor service, and I got a P100D loaner. Holy sh$# at ludicrous mode. How will I ever go back to the measly ~5 second 0-60 time on my usual Tesla cars? :^)

Alex_SD | May 21, 2018

@MarylandS85
That's why I WILL NEVER try a P100D. I can't afford it and I know that I'm going to hate my M3 (:((...
Any idea if the M3P will ever get the ludicrous mode? 2.5 seconds? How much?

lilbean | May 21, 2018

I had a brand new P100D loaner and I didn’t hate my 3. I actually missed my little 3.

Frank99 | May 21, 2018

Well, you don't really have a choice. You can stay on 14.13 forever, and never get any of the missing Software features, or you can upgrade.

There are three possibilities here:
1. There's been no change
2. Tesla accidentally reduced acceleration when making some other change. In which case, the next update should fix it.
3. Tesla intentionally reduced acceleration. In which case, it's gone unless/until Tesla decides to bring it back.

Atoms | May 21, 2018

I would rather my car be reliable and well controlled. As long as it meets spec, can’t complain.

johnyi | May 21, 2018

Is the feeling at full throttle or just at partial? It's possible they retuned the throttle response to be a bit less aggressive for some reason (complaints from newbies, wear issues). If so, a full throttle launch would still be the same 0-60 time.

Sometimes OTA can be a negative...

MarylandS85 | May 21, 2018

@lilbean
I drive the Model S as my daily driver anyway. I was elated when Tesla just texted me to say they need to keep my car an extra day. @AlexDoro, I think Tesla publishes the 0-60 at 2.4 seconds? Whatever it is, it really is ludicrous. Like scary roller coaster never-needed-in-real-life ludicrous.

Although I borrow my wife’s Model 3 quite often too. Gotta even out the mileage on the two to maximize the warranty. ;^)

Speaking of which, my wife is going to activate the update, because she wants auto high beams and (apparently like @lilbean) drives like an old lady anyway. Thanks for chiming in, @Frank99.

SO | May 21, 2018

@lilbean | May 21, 2018
“I had a brand new P100D loaner and I didn’t hate my 3. I actually missed my little 3.“

Well....earlier you mentioned you drive like an old lady. So I can see where the P100D wouldn’t be of interest to you. But nothing wrong with that. :-)

burdogg | May 21, 2018

I would go ahead and update - as it isn't that huge of a difference. It was just enough for me to be thinking this last week if it was just in my head or not - and then seeing others thinking the same thing helps confirm to me that something changed.

Now did it really? I don't know and it could just be me - but I do find it ironic I am not the only one thinking something does not quite feel the same.

Nothing drastic and still zippy by all means right off the line, just seems slightly less zippy right off the line (I only use it at one spot, as it is perfect for that instant acceleration - last light, leaving town, speed limit goes from 40 to 50 right after the light, thus giving you a chance to really floor it and stop right at 50 to stay within the speed limit, and yet have a little bit of fun.)

sroh | May 21, 2018

Ya, I'm not sure I ever want to try the P100D. I did drive a 75D as a loaner and I thought the 4.2-4.4 0-60 was already laughably quick.

As a huge fanboi, I will admit it would be very disappointing to me if they did throttle down the acceleration. Although I can't be sure, if pressed for an answer, I would say I do feel a slight decrease in acceleration from standstill. As I'm not one to floor it from standstill, this is not going to impact my everyday driving. But I'd still like it to be there, even if it's just to show off for friends.

ebmcs03 | May 21, 2018

Making it more apart from the new AWD and P versions

John | May 21, 2018

No change here. Empty vs Full Tank (lol)?
Maybe humidity/Temp affecting, along with P3D envy?

So... weather -> traction?

burdogg | May 21, 2018

@John - not for me :) I am happy with my 70D S (5.2 remember, not the new 4.2) - it gives a little snap of the head. The 3 when I first got it almost gave that same feel - but not quite. Whereas now, like sroh said, if pressed for an answer, I would say I feel it even slightly less acceleration from standstill.

Nothing to do with Model 3 performance envy. Weather, if anything is better now then when I first got it :) Traction same.

burdogg | May 21, 2018

I keep using my 70D as a reference point by the way - helps me use something to measure against :) I have been driving the Model 3 majority of the time right now, but this weekend even stated to my wife I am ready to switch back to the S more as I just don't get that same zip on my way home spot :) So with this thread, it just really makes me think that something did change, as I have been less impressed with that stand still acceleration lately with the Model 3.

spuzzz123 | May 21, 2018

So I am on 2018.14.13 now. Just got notification that new software available. I could try before and after. I'm looking in my iPhone to see if theres an app that will accurately time 0-60 speeds. Looks like there used to be something called Dynolicious but I cant find it now. Anybody have any good ones?

andrewlee05 | May 21, 2018

Just try the freeway on ramps. I definitely felt the difference and had to double check chill mode.

lilbean | May 21, 2018

@SO It's funny because the X and the 3 are so different. I don't drive like an old lady in the X but in the 3, I keep trying to get my Wh/mile down. Right now it's 219.

spuzzz123 | May 21, 2018

0-60 5.35 seconds version 2018.14.13

CqM3 | May 21, 2018

I am very new here. Just a suggestion, it will be worth mentioning which version of the software we are talking about. I understand any version of the sw reaches only a subset of the people. I did not notice any acceleration difference after 2018.18.3, but I have been always on chill mode.

spuzzz123 | May 21, 2018

0-60 5.30 seconds version 2018.18.3. Statistically insignificant.

Did not feel different at all. When I first got it -- had it for a couple of days and then installed 18.14.13, Thought I noticed a slower start out of the gate, but attributed that to just getting used to the torque of an ev.

This is plenty fast enough for me, and I still love the freeway passing acceleration...that's when I really need it.

cfscott | May 21, 2018

That is some X Files level conspiracy stuff right there. ThrottleGate 2018 :)

pazarbal | May 21, 2018

I can confirm that it has reduced the power, I am on 2018.18.3 And yes I feel the same way, when I 1st got it, it threw you back in the seat but the acceleration has for sure tapered off with the latest updates.. that is actually pretty disappointing..

MarylandS85 | May 21, 2018

I don’t believe it yet. My working theory is that one person felt it and posted about it, and a conspiracy theory was born. Google “nocebo effect.”

Of course, it might be real, but I’ll believe it when I see evidence.

djharrington | May 21, 2018

+1 Maryland

ReD eXiLe ms us | May 21, 2018

Blame the folks that complain of motion sickness and demand a 'less jarring' experience as passengers. They are the same folks that are responsible for a 'smoother' application of regen in Tesla cars since an OTA Update in early 2013 took away a more 'sporting' regen application for good. The people who want a comfy floatmobile instead of a sports sedan.

thomas.hitchcock | May 21, 2018

I don’t have any data, but I just got done showing a friend what my car could do and thought it seemed slower than when I took another friend out. Logged on here and then saw this thread.

ReD eXiLe ms us | May 21, 2018

Oh, and... [FLOCK] phil.

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