EV - $ (price of car) / range (actual)?

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Batman

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#2978478 7-Oct-2022 10:36

Obraik:

https://ev-database.org/ is the place to go to see "real world" range of various EVs

that's useful!

it's very detailed BUT

any ideas how they come up with the numbers!

a bit suspicious as model Y boot space is a direct copy of Tesla's number which is different from how it's normally calculated

Scott3

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#2978479 7-Oct-2022 10:39

Short of running the test yourself, you are never going to find real world range to compare various models consistently. As an example, speed driven has a massive impact on range. An EV will get far less range if driven at 110km/k than 90km/h.

There are snippets of data that can be compared. For example, the below magazine test where they drove the two cars in a convoy for around 200km and then extrapolated the car-reported reaming range to get the total range (obvious that their limitations to the latter part of the process).

https://www.whichcar.com.au/reviews/comparisons/2022-tesla-model-y-vs-kia-ev6-comparison-review

"Against its 528km claim, the Kia was tracking toward 478kms of real-world range. Meanwhile, the Tesla, with its 455km claim, would run dry at around 334kms."

I.e Kia, 91.5% of rated range, Tesla 75.6% of rated range.

Based on the pre-facelift version of the MG ZS EV, I would pick it would come in quite a bit under the rated range. I have no idea about the Atto 3 (but the first youtube videos of it are starting to turn up)

I question the value of putting so much focus on the cost-per-range metric. Thankfully the EV market has evolved beyond where it was in 2013, where the range was such an important buying criteria, it made sense to optimize the range per $.

These days there are a selection of decent-range EVs, so other buying considerations become important. Cargo space, payload, passenger space, styling, performance, expected battery life, warranty, fast charge speed, vehicle to load, resell value etc.

If you are trying to do a particular trip non-stop, then little point in buying an EV with massively more range than that trip might as well get the cheapest EV that can do the trip

If you are planning trips that will need substantial fast charging, then fast charging speed becomes very important. Kona offers great real-world range, but for something like an Auckland to wellington run, the faster charging, but shorter range Tesla Model 3 SR+ would be better.

I you are willing to buy used, I expect a used Kona will give the best real-world km's per $ ($49,111 for a 2018 with 46,150km), but I suspect a tesla model 3 SR+ would be the better car ($56k ono for a 2021 with 24,00km).

My take on the New offerings:

Kia EV6 LR: 478km real world range based on the magazine test above $71350. Features 800v fast charging, so the fastest charging rebate reliable car on the market (noting that 800v chargers are still kinda rare, but are getting built out at the moment by charge.net). Nice looking car too, OK cargo space, 1600kg tow rating, RWD etc. Being 800v, it means it uses an internal buck-boost converter to charge from the common 50kW chargers, so should max them out (something like a tesla SR+ will sit on max current, drawing only say 44kW). 18min 10%-80% charge on one of charge.nets hyper-chargers. especially fast (160kW)

Tesla model 3 SR+. Using the 75.6% multiplier from the model Y test, and 491km WLTP range, My projected real world range is 371km. $68,293 new (but good value used offerings are on the market as people swap to the flood of new EV SUV's for more cargo space). Most efficient longer-range car on the market. This means you will get the most km/h of charge from a given AC source (i.e. plugging in through the window of a friend's house you are staying at). Access to the supercharger network (in addition to the public networks), so more charging options. Not as fast at charging as the EV6, but still very respectable (20% - 80% in 22 - 23 mins on a tesla supercharger). LFP battery (meaning epic cycle life, and no issues with charging to 100% every day). More efficiency means charging costs (both home and public) are going to be lower than the EV6. Very fast car (211kW), which means more expensive insurance.

Kia E-Niro. Good if you want a smaller, cheaper car than the above. I would pick 400 - 420km in km real world range. $61,350 base. Tough better efficiency than the EV6. FWD, Smaller care to park than the above, and 215/55 R17 tire size will be much cheaper than the big tires the EV6 and Tesla are running when it comes to replacement. Likely cheaper insurance too (150kW, so no slouch). The big downside is dramatically slower fast charging than the above. 77kW max rate and you are looking at 50mins to charge from 20% to 80%.

SsangYong Korando e-Motion. 339km rated range (a review has it getting 290km in near freezing conditions on winter tires, so I think around the 300 - 310km mark is likely in NZ). $51,365 after rebate. Best space to price ratio EV. Little known about it otherwise.

Atto 3 (standard range / long range) - There is a youtube video of a person in NZ doing a long trip in this. Conclusion in terms of range / fast charging, that it's no Tesla, but it does extremely well for the price point. Said it fast charged faster than advertised. LFP battery.

MG ZS EV - NZ's cheapest EV - just facelifted with increased range and LFP battery. If the range is enough, then why not.

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#2978482 7-Oct-2022 10:44

wow there's a lot in there thanks, all excellent points!

only thing i'd add is Model 3 is way more efficient than Model Y - shape, weight

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#2978484 7-Oct-2022 10:57

For another source of data, you can look at the testing done by Bjorn in Scandinavia for his you tube channel.

https://docs.google.com/spreadsheets/d/1V6ucyFGKWuSQzvI8lMzvvWJHrBS82echMVJH37kwgjE

Under range, he has listed the range traveled in 75% percentage points of the battery. i.e EV6 LR RWD: 445km @ 90km/h and 298km at 120km/h (for comparison the model 3 SR+ LFP is 406km & 293km, and the 62kWh leaf is 230km & 158km) For some reason the e-niro numbers are weird, two tests at 90km/h getting 500 (summer tires) and 375km (winter tires).

Of particular interest is the 1000km time trial. EV6 & Model 3 SR+ both come in under 10hr 10min. Kona is at 11:30, Leaf 62kWh is at 14:10 etc.

Obviously some noise in the data. Would expect the Kia EV6 LR RWD to beat the EV6 LR AWD, as the latter is rated to be less efficient (and I would expect it to be too, given it is heavier, and spinning more bearings, CV's etc).

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#2978488 7-Oct-2022 11:02

Scott3:

Tesla model 3 SR+. Using the 75.6% multiplier from the model Y test, and 491km WLTP range, My projected real world range is 371km. $68,293 new (but good value used offerings are on the market as people swap to the flood of new EV SUV's for more cargo space). Most efficient longer-range car on the market. This means you will get the most km/h of charge from a given AC source (i.e. plugging in through the window of a friend's house you are staying at). Access to the supercharger network (in addition to the public networks), so more charging options. Not as fast at charging as the EV6, but still very respectable (20% - 80% in 22 - 23 mins on a tesla supercharger). LFP battery (meaning epic cycle life, and no issues with charging to 100% every day). More efficiency means charging costs (both home and public) are going to be lower than the EV6. Very fast car (211kW), which means more expensive insurance.

Why are you using a ‘multiplier’ from a different car? My M3rwd consistently achieves about 11% below the WLTP rated values. Over half the running is at motorway speeds. So your projected range is about 60km out from my real world experience (330km).

“We’ve arranged a society based on science and technology, in which nobody understands anything about science technology. Carl Sagan 1996

Scott3

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#2978502 7-Oct-2022 11:46

Dingbatt:

Why are you using a ‘multiplier’ from a different car? My M3rwd consistently achieves about 11% below the WLTP rated values. Over half the running is at motorway speeds. So your projected range is about 60km out from my real world experience (330km).

In short, for lack of better data.

I understand the model 3 & Y use the same powertrain & battery, so the main difference is the bigger body on the Y. My assumption was that they would be optimized to the same level. Of course real world data trump this (but breaks the consistency of testing with the EV6).

Something doesn't add up with you numbers. Did you mean 430km? and is this a Freemont of shanghai car?

Bjorns data that I posted more recently had the model 3 doing 404km on winter tires at -3deg C at 90km/h, so getting over 400km or range in NZ conditions is pretty plausible.

[edit] - It seems there are multiple battery sizes of LFP tesla's, 9% bigger on later versions:

https://insideevs.com/news/563125/tesla-model3-60kwh-winter-range/

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Dingbatt

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#2978554 7-Oct-2022 12:18

Yes, sorry 430km. (Hence 11% down on WLTP). Shanghai, China. (Not Freemont of Shanghai😉)

“We’ve arranged a society based on science and technology, in which nobody understands anything about science technology. Carl Sagan 1996

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