Real Range - Jaguar I-Pace EV400 Forum
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post #1 of 72 (permalink) Old 11-01-2018, 01:17 PM Thread Starter
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Real Range

This English magazine did its own "controlled testing", and found the I-Pace range is much longer than the Tesla Model S. This despite the fact that government testing indicates the opposite.

https://www.dailymail.co.uk/money/ca...el-charge.html
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post #2 of 72 (permalink) Old 11-01-2018, 01:52 PM
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This English magazine did its own "controlled testing", and found the I-Pace range is much longer than the Tesla Model S. This despite the fact that government testing indicates the opposite.

https://www.dailymail.co.uk/money/ca...el-charge.html
I have had many electric cars and none, other than the Bolt, have EVER realistically hit the rated mileage. This is also true of Teslas. If you drive at low speed, or like grandma, you can achieve and exceed the rating, but the Bolt is the only car that actually seems to hit the realistic range. Also keep in mind if you have not had electric cars outside temperature makes a HUGE difference. This is both because of battery capacity and because of denser air/more air drag.

Driving normally in a Tesla will not get you the range it is rated at. For example the 210 mile model S was barely getting me around 150 miles in outside temperature of 50F with moderate driving (not fast/pushing it, I never trusted the Model S enough to push it). The Bolt on the other hand will get me 200 miles in the same temperature driving more aggressively and with full AC/heat on.

So it will be interesting to see what the I Pace really does.
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post #3 of 72 (permalink) Old 11-01-2018, 02:03 PM Thread Starter
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Well, that's what this magazine testing and article are telling us - what it really does.
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post #4 of 72 (permalink) Old 11-01-2018, 02:47 PM
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Well, that's what this magazine testing and article are telling us - what it really does.
I took a look and there was no detail of the testing. My point more is, yes manufacturers generally are NOT realistic on the range (just like MPG rating), but driving style and conditions (even something as simple as elevation changes) makes SO MUCH difference that a simple number doesn't do it justice.

Range anxiety tends to be common for most on their first electric cars in my experience. I remember the Leaf at barely 70 usable miles. After 3 months I honestly really had no issues, I just couldn't use it for some trips. The i3 with Rex was a good "training wheel" knowing there was always a back up option.

But I think for vast majority of daily drivers once you hit 200 miles it is no longer an issue.
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post #5 of 72 (permalink) Old 11-01-2018, 03:03 PM Thread Starter
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Manufacturers being unrealistic should not be an issue. The publicized numbers are generally determined by actual testing under conditions specified by regulatory agencies, like EPA. It's a little odd that the Tesla Model S outscores the I-Pace on the EPA range test, but the I-Pace wins hands-down on an independent test methodology. Not impossible, but suspicious. My guess is that either Tesla cheats - a lot!!! - on their EPA result reporting, or the independent tester somehow got hold of a bad Model S.

200 miles of real range is my requirement also, and that's exactly what I got on my Chevy Bolt.

This independent test may provide some encouragement for those who have been concerned about the I-Pace' range. I'm not worried, I believe it will be fine for me.
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post #6 of 72 (permalink) Old 11-01-2018, 03:08 PM
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From what I understand, hotter outside temps actually help the battery efficiency whereas colder outside temps need the batteries to heat up first and uses more battery and hence, the shorter range. We shall see what the I-Pace range is like for me later this month as I typically drive mostly highway (approx 60%) vs. city driving AND our sunny, warm temps of South Florida are year round. I will play around going from Comfort mode to Dynamic mode to see if there's any real affect on range. My guess is very little but it's certainly possible. I doubt I will ever drive in Eco mode unless I absolutely have to. I'm hoping for and expecting getting about 190-200 mi. on a full 100% charge (and I will likely charge it up every night to 100%)...which would work well for me with my typical daily driving habits. I hope to come home every day with at least 20-30% battery charge/range left & program it to charge for about 6-8 hours each night on average.

2019 Jaguar I-Pace EV400 HSE
Indus Silver w/ Black Pack Ext & Front Fog Lights
Mars Red Windsor Leather Performance Seats w/ Carbon Fiber Trim,
Ebony Suede Headlining & Illuminated Jaguar Treadplates
22" Style 5069 Wheels
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post #7 of 72 (permalink) Old 11-01-2018, 03:31 PM
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The Leaf would pre-condition the battery for departure for optimal temperature, and it helped because battery has thermal mass, but the air density seemed to be a bigger factor.

The "standard" tests, like MPG tests, can easily be gamed. It is an interesting question about why the I Pace with larger battery, and a very good drag coefficient and weight, theoretically does so much worse than Tesla. What I was trying to say is the I believe Tesla must be optimizing for the test cycles, because I have a much harder time getting ANYWHERE near the test range in Teslas than I did with the Leaf, the Bolt, the i3 or the i8.

We hopefully will all have much more data soon enough. I remember in the early days of the mass electric car (Leaf) there was so much data, and so many people shared their actual range and battery degradation information. It was incredibly educational.
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post #8 of 72 (permalink) Old 11-01-2018, 03:35 PM
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From what I understand, hotter outside temps actually help the battery efficiency whereas colder outside temps need the batteries to heat up first and uses more battery and hence, the shorter range. We shall see what the I-Pace range is like for me later this month as I typically drive mostly highway (approx 60%) vs. city driving AND our sunny, warm temps of South Florida are year round. I will play around going from Comfort mode to Dynamic mode to see if there's any real affect on range. My guess is very little but it's certainly possible. I doubt I will ever drive in Eco mode unless I absolutely have to. I'm hoping for and expecting getting about 190-200 mi. on a full 100% charge (and I will likely charge it up every night to 100%)...which would work well for me with my typical daily driving habits. I hope to come home every day with at least 20-30% battery charge/range left & program it to charge for about 6-8 hours each night on average.
Yeah, I think at the end of the day, everyone's requirements re: range are different. Furthermore, the driving conditions (elevation gains, driving style, temperature) are going to be even more unique to each owner. So, to talk about a firm number with respect to range is basically a futile endeavor. You can make some rough judgments based on these numbers as to whether or not the car is going to do what you want it to do, but you won't really know until you try. (Also, the on board NAV system can help predict.) Here's hoping I don't get stranded with zero juice in the dead of winter while trying to drive over a snowy mountain pass in Colorado!
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post #9 of 72 (permalink) Old 11-01-2018, 03:40 PM Thread Starter
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The Leaf would pre-condition the battery for departure for optimal temperature, and it helped because battery has thermal mass, but the air density seemed to be a bigger factor.

The "standard" tests, like MPG tests, can easily be gamed. It is an interesting question about why the I Pace with larger battery, and a very good drag coefficient and weight, theoretically does so much worse than Tesla. What I was trying to say is the I believe Tesla must be optimizing for the test cycles, because I have a much harder time getting ANYWHERE near the test range in Teslas than I did with the Leaf, the Bolt, the i3 or the i8.

We hopefully will all have much more data soon enough. I remember in the early days of the mass electric car (Leaf) there was so much data, and so many people shared their actual range and battery degradation information. It was incredibly educational.
Yeah, this is too much to be 'gaming'. More likely Tesla has been cheating.

Note that EPA results are self-certified by the manufacturer. EPA itself generally does not do the testing. So, cheating is easy. But risky, if you get caught...
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post #10 of 72 (permalink) Old 11-01-2018, 04:30 PM
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I won't take this off topic but may I point out this is from the same manufacturer/person who claims they have self driving cars in all intents and purposes yet every expert says we are 10 years out? And they just removed that option that many have prepaid for from the Model 3. So yeah, not surprising.

Major manufacturers seem to stick closer to the truth, most of the time.
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