On 31 Oct 2020 at 3:36, brucedp5 via EV wrote: > Tesla has reduced the energy consumption of the Tesla Model 3 to just > 11.9kWh per 100 kilometres, testing by German motoring site Motor1
That's pretty good. Unfortunately it appears that the test didn't use a published standard sequence, so it's not comparable to anything except the other cars tested the same way, and maybe not even those: That said, the differences among the Tesla and other top contenders in this test aren't huge. Hyundai Kona Electric - 12.0kWh/100km (0.8% more) "Old" Renault Zoe (2019?) - 12.7kWh/100km (6.7% more) Nissan Leaf - 13.1kWh/100km (10.1% more) Here's a much more complete and presumably consistent chart, though it doesn't state the standard used: https://ev-database.org/cheatsheet/energy-consumption-electric-car By this measure, Tesla 3 again lands near the top (14.8kWh/100km), but a dozen other EVs come within 10% of the Tesla number. The Hyundai IONIQ Electric uses just 3.4% more energy (15.4kWh/100km), but costs 26% less in Germany. The Mini Cooper SE uses 5.4% more energy (15.6kWh/100km), but costs 32% less. German average energy cost is 30.4 euro cents per kWh. A person who drives 15,000km/year would pay 27.36 euro more per year to run the IONIQ, or 36.48 more per year to run the Mini. Using a vastly and probably unrealistically simplfied measure - assuming a 15 year amortization of the purchase price and not including resale value or maintenance - here are the per-year costs of these EVs: Tesla 3 (46,380 eur): 3092 eur/year Hyundai IONIQ (34,459 eur): 2297 eur/yr Mini Cooper (31,681 eur): 2112 eur/year Energy costs @ 15,000km/year: Tesla 3: 675 eur Hyundai: 702 eur Mini: 711 eur Total cost per year for energy and purchase amortization: Tesla 3: 3767 eur Hyundai IONIQ: 2999 eur Mini Cooper: 2823 eur This is of course not the entire picture as different buyers have different vehicle needs. Cost per year is not the only factor to consider. For example, as a hatchback, the Hyundai wins over the Tesla on everyday utility; but the Tesla charges faster, which is better for travel. And in reality one would have to compute the residual value of a 15 year old EV to get a more accurate picture. That's one reason I ran them out to 15 years - at that age there isn't likely to be much residual value. But the point stands: the energy use difference among the most efficient EVs is quite small, and others cost less than the Tesla to own despite using a bit more energy. ===== The Tesla 3's 11.9kWh per 100km is 192 Wh/mile. A couple of other interesting benchmarks: Solectria's James Worden was almost fanatical about efficiency. Early Forces routinely achieved 150-170 Wh/mile in normal city driving. Admittedly they had a lot less power than the Tesla has. In the 1996 Tour de Sol, Worden achieved 117 Wh/mile with a Solectria Sunrise (NiMH battery). Even lower energy use is possible if one walks away from some modern vehicle conventions, AKA buyer expectations. Whether there's a significant market for such hyper-efficient EVs is another question. You might check with Aptera in a year or two. David Roden, EVDL moderator & general lackey To reach me, don't reply to this message; I won't get it. Use my offlist address here : http://evdl.org/help/index.html#supt = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = If you made a column of things you're pretty sure you know, and then made another column of how you know those things, most of that column is like: "Some guy told me." It's just clickbait and hearsay. Goes into the head, locks onto a feeling, you're like: "That sounds good. I'm gonna tell other people that." And that's how brand marketing works, and also fascism, we're finding. -- Marc Maron = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
