Disappointed with mileage / range claim

mkhuffman

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It is obvious you are not happy with your MME, but seriously. It is well known that cold temperature and aggressive driving kills range. And it is common knowledge that the range estimate is based on a EPA test cycle that is often significantly different from the way people actually drive. You should take some responsibility for not researching what you were buying and not blame Ford for your lack of knowledge.

You also know, I am sure, that the GOM is heavily based on how you drive the car. If you want better range, drive slower and turn off E-Heat. It is easy to beat a GOM range of 160 miles if you really need to.

Last winter my worst 100% range estimate was around 180 miles, and that was in weather with temperatures dipping below 0 F at night, and even some days. I have a GT as well, so if your GOM says 160, it must be due to your driving behavior. Which you can control. There is no need to blame Ford for that.

If you want to blame someone else besides yourself, blame the EPA for mandating a test that gives better results than you can achieve. It is good to blame them anyway, right Rick? Time for my daily bad government rant...
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RickMachE

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I got an extended range battery precisely because of range loss in winter. I'm predicting worst case 50% in winter on highway, so I'll get maybe 135 miles on those days. That's enough to get me one way to any location I typically drive. So it sucks that I'd have to charge to get back home, but it's not the end of the world. 95% of my drives are < 100 miles round trip, so I can live with it.

But I'd definitely trade in the Mach-E for a similar vehicle that can get 500 estimated miles. At that point, I'd have 100% of my day trips covered, and most of my extended trips would be the same 1-stop as an ICE.

In the meantime, for people in your situation, I think plug-in hybrids are the best in terms of a single car that can do anything.
This ^^^

And yes, I'd rather see 500 miles, and and still a 30 minute charge. Or a PHEV with more electric miles, like 150.
 

sotek2345

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That 160 is the guess-o-meter being overly pessimistic. If you precondition, you will get between 200 and 220 on the highway. The cold hits you worst at lower speeds (more kWh/mi used for heating) and without preconditioning.

Source - drove our MME GT on multiple road trips last winter in Upstate NY.
 

jay1122

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I never see the necessity of extra large battery unless your daily commute is so far that you can't make it without that extra range. The extra battery increases price and weight significantly. Just charge more frequently during winter time. For occasional long trips, use the DC charger.
 

RickMachE

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I never see the necessity of extra large battery unless your daily commute is so far that you can't make it without that extra range. The extra battery increases price and weight significantly. Just charge more frequently during winter time. For occasional long trips, use the DC charger.
I'll give you an example:

ER battery, 91kW, after first leg starting at 100%, you use battery between 20 and 80%, i.e. 60% of it.

91 x 60% = 54.6 x 3 miles = 164 miles between stops.

Now, factor in winter. 35% drop gets me 2 miles per kWh or 110 miles between stops.

On a normal 500 mile day, I'm stopping 2 times in summer and 5 times in the winter. At 30 - 40 minutes a stop, my trip just got 1.5 - 2 hours longer in the winter.

I also buy the big gas tank on ICE vehicles. With 36 gallons, my F-150 can easily go 600 miles in winter, 700 in summer.
 


mkhuffman

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This is probably the reason for the 160 GOM estimate.

1 PD can be more efficient because it ensures you never use the brake pads (assuming you don't press the brake pedal), so it might be contributing. But if she is light on the brake pedal she is regenerating charge anyway. So most likely it is the E-Heat causing the low GOM.

I agree with you that the general public is not prepared for BEVs, and that we are early adopters. I try to educate my BEV illiterate friends all the time, telling them they are not ready to get one. Because they are not. There are some huge challenges to solve, and it isn't Ford's fault. Actually, I blame the government for promoting a technology that is not ready for the average person.
 

Nemy

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Your complaint is against EVs in general then, not the MME or Ford. All EVs with a 240 range will come back with about 150-180 in the winter. You said the MME is like an old Leaf, except you're comparing it with the Leaf SUMMER EPA range. The Leaf got a similar, if not worse, percentage loss in the winter. It also doesn't help that you have a GT.

So yes, it comes back to education; and I don't know why people spend $50k+ without researching their purchase. I guess it helps if somehow you've found a way to plan ahead and use the lemon law. But I don't even think that people buying an EV in 2022 are early adopters anymore. We're early adopters of the MME but winter range EV issues have been around since at least 2008.
 

devmach-e

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Point of clarification: It is 270 miles at 100% charge under the EPA testing. The 160 mile figure quoted is at 90%. Which means it would be 178 at 100%.

I live in warm sunny California by San Francisco. In summer I was getting between 230 and 250 at 90%. This is on a car rated for 303 miles. A couple of times I actually had over 300 at 100%. This morning, with overnight temps in the 40s, and a car parked outside: 202 at 89%. The reduction in range during winter is comparable to when I had a Bolt EV that was rated at 238 miles. I typically would see 200 miles at 90% in summer, and 160 to 170 in winter at 90%. I have never gotten EPA numbers for the dozen or so cars I've owned. I always take the EPA number and lop off 10 or 15 percent and then I get an accurate range/MPG figure.

My point? Range will vary based on outside temp and your (or your wife's) driving habits. Use less e-heat, precondition while plugged in, and make judicious use of the heated steering wheel and seats and some range will come back. Bummer that you bought the wrong car for you. I have a suggestion, though. Sell the MME GT and get a Bolt EV/EUV for local driving.
 

Thor2j

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You haven't once stated you miles per kw?? That's the only number you need to care about. Use that and put a piece of black tape over the GOM.
 

Nemy

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You originally said 160 at 90% charge. Which would be the same as comparing it to a 240 mile MME. You should not be getting 60% usable range on a 50 degree day unless you're racing and/or have the heat blasting inside.

Today at exactly 50 degrees and winter tires/rims I have a 25% loss (233 miles at 100%) with the cabin set at auto and 19 celcius.

BEV market share/adoption is slowed by price - it's still a luxury item. But the tech (and it's problems) have been well-documented for well over a decade.

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