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How far can electric cars REALLY go in EXTREME heat? | What Car?

We determine the real-world impact of extreme heat on the variety and charging capability of electric cars and trucks. View our real-world variety test performing in temperature levels of more than 40 ° C for the responses.

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75 responses to “How far can electric cars REALLY go in EXTREME heat? | What Car?”

  1. @goodoldjr83 Avatar
    @goodoldjr83

    Great video. That range loss in hot weather is crazy!

    Reply
    1. @tavi7 Avatar
      @tavi7

      It’s more of a heat pump and glass insulation test. 21°C is very low, if you’re used to warmer weather you would want about 30°C in the car

      Reply
    2. @ouethojlkjn Avatar
      @ouethojlkjn

      Its just click bait – this is as real world as an AI video of Trump and Putin singing in a Jamaican Steel band.

      Reply
  2. @garrycroft4215 Avatar
    @garrycroft4215

    I have had 3 different make EV’s over the last 10 years and found that winter cold 🥶 weather effects the range much more than extreme hot weather. Eg. BMW i3s 42 kW at -7 degrees 110 miles at 20 degrees 190 miles at 40 degrees 170 miles. Smart #1 BRABUS 62 kW rated at 248 miles average 200 miles over 13,500 miles summer & winter driven only in its AWD 428 hp BRABUS mode.

    Reply
    1. @HonestHans365 Avatar
      @HonestHans365

      Yupp. Depending on the battery and efficiency of the motors, the range or EVs can drop by 20-30% during winter.

      Reply
    2. @stickynorth Avatar
      @stickynorth

      @@HonestHans365 Until the newest ones coming out in the next few months from CATL… The sodium ion NAXTRA with a 175 wh/kg density, 6.5% lower than LFP however it lacks lithium, nickel, manganese, but a 1 million mile lifespan and most importantly the ability to keep 95% of its range in -40 or +70c… Important no matter where you live these days.. Here in Alberta? -40c is normal as is nearly +40c now..

      Reply
    3. @Emiliocab47 Avatar
      @Emiliocab47

      Wow, even worse in cold weather!😮

      Reply
  3. @hugodeandres1497 Avatar
    @hugodeandres1497

    many places here in spain install ev. chargers to get incentives and then never switch them on

    Reply
    1. @harrytanfield193 Avatar
      @harrytanfield193

      Ah, explains why so many covered up 😂

      Reply
    2. @peterhoz Avatar
      @peterhoz

      Great govt policy to pay the incentive for a non-working product. No wonder the country is financially crap.

      Reply
    3. @ChristianHauser78 Avatar
      @ChristianHauser78

      I hope that Spain will improve to use all the free solar energy you have in your sunny country and adopt EVs faster.

      Reply
    4. @chrissmith2114 Avatar
      @chrissmith2114

      In UK many dealers pre-register EV to meet government mandated sales target and get the taxpayer funded subsidy and then park them in a disused field somewhere ( it is cheaper than paying the £15,000 ‘fine’ per vehicle ) you can get 1 or 2 year old EV with big discount with only delivery mileage on the clock. I do not want to guess what sitting in a field for 2 years does to the battery though….

      Reply
    5. @Johannes-wj5ri Avatar
      @Johannes-wj5ri

      ​@@peterhozif you look it up Spain is in better finances than the UK

      Reply
  4. @jonathanfgh1 Avatar
    @jonathanfgh1

    The Tesla does not have a sun blind for it’s glass sunroof, you have to buy a 3rd party sun blind instead ! Just crazy !

    Reply
    1. @nicksokolis6343 Avatar
      @nicksokolis6343

      Frankly that alone would make not want to buy one. I don’t care if the glass is UV protected, it’s still glass.

      Reply
    2. @tavi7 Avatar
      @tavi7

      It’s cheaper than a Golf

      Reply
    3. @Globalscanningeyes Avatar
      @Globalscanningeyes

      ​@@nicksokolis6343you want a car with a roof that’s made from material that absorbs heat faster than glass go right ahead.

      Reply
    4. @Maochan81 Avatar
      @Maochan81

      To be fair, i would pay 5000 Eur more for the EV3 with similar kit. But paid only 50 Eur for a sun blind for my Model 3. I’ll happily deal with the glass roof in exchange for the great software experience.

      Reply
    5. @danex070 Avatar
      @danex070

      @@nicksokolis6343 a shade literally costs 20-25usd in temu for the panoramic glass 😀 you put on in the hot summer days but you can take it off and enjoy it in the rest of the year

      Reply
  5. @mikadavies660 Avatar
    @mikadavies660

    Nice to see this test, but the Citroen E-C3 is a budget city car. We could easily do ALL of our family’s journeys with a £15k second hand E-C3, with it’s running costs at around £20/mth.

    Reply
    1. @davidlewis4399 Avatar
      @davidlewis4399

      You can most of us cant !

      Reply
    2. @randeep6346 Avatar
      @randeep6346

      @@davidlewis4399most don’t have a petrol city run about, but if you already had something like this, more likely this could work.
      Also some house have more that 1 car. All don’t need to be long range.

      Reply
  6. @mikadavies660 Avatar
    @mikadavies660

    My friend has had a Model Y in Dubai for the last 3 years. It has cost him nothing in repairs/servicing and loves it. Range has never been an issue.

    Reply
    1. @ChongPangBoom Avatar
      @ChongPangBoom

      Me too, I bough a new petrol engine car, zero costs the past 3 years! Great!

      Reply
    2. @ouethojlkjn Avatar
      @ouethojlkjn

      @@ChongPangBoom Wow a petrol engine car that never needs servicing – never needs and oil change – must be one of those ultra reliable wet belt models.

      Reply
    3. @TerryHickey-xt4mf Avatar
      @TerryHickey-xt4mf

      @@ouethojlkjn and — it seems that it does not need petrol to run, surely a cost?

      Reply
    4. @kevinW826 Avatar
      @kevinW826

      Bushings, bearings, control arms, half shafts, there is oil that needs to be changed, brakes that need remachining, replacement, brake fluid changes, wheel alignment, tires that prematurely wear out because of the non adjustable toe angle, so you have to replace the control arms with ones that you can alter the wheel angle.
      Just ask any mechanic who works on EVs and they will show you many more things that need maintenance.
      Only stupid people believe EVs are no maintenance.

      Reply
    5. @rndom_2110 Avatar
      @rndom_2110

      ⁠@@kevinW826yes they do need change this maybe after 4-5 years or like after 80k km of driving. Just like petrol car need to as well.
      So what are the short term maintenance that need to be done in 3-6month like petrol car does? I would say, maybe the wiper fluid and Aircorn filter only

      Reply
  7. @VNavale Avatar
    @VNavale

    39c and two of them are wearing long sleeved shirts, one even wearing a vest underneath!

    Reply
    1. @disarchitected Avatar
      @disarchitected

      In London you get a certain type of person wearing puffer jackets in 30 degree plus heat.

      Reply
    2. @CThienV Avatar
      @CThienV

      My son wears puffy jackets in spring and early summer and t shirts and crocs in winter.
      Does my head in.
      Australia

      Reply
    3. @TheHughsie Avatar
      @TheHughsie

      Mental. I would be a pool of bone and skin in those temps

      Reply
    4. @dannelson6980 Avatar
      @dannelson6980

      It is typically over 44c here in Arizona. A light long sleeve shirt is best in the summer, the sun directly on your skin is very hot. Most people working outdoors wear long sleeve shirts. Below 33c my kids act like they going to get frostbite, they’re wearing jackets all the time.

      Reply
    5. @mduduzibhebhe4268 Avatar
      @mduduzibhebhe4268

      In really hot countries, we dont suffer from the delusion that walking around naked will help you with heat. Do that and you will regret it. The rule is, cover yourself to protect yourself against direct sunlight

      Reply
  8. @noproblem386 Avatar
    @noproblem386

    you could’ve shown the percentage of total energy that went into HVAC… both the Kia and Tesla have that info

    Reply
    1. @trevorberridge6079 Avatar
      @trevorberridge6079

      That’s a very good point. They say they are testing how the cars handle extreme heat, but how much energy it takes to keep them cool is draining the power. So that’s a secondary effect on performance because of the heat not a direct effect. They could also have shown how much energy the e-C3 had left when it went to re-charge as they played up the idea that it had to crawl the 10km to the charger they found.

      Reply
    2. @terradrive Avatar
      @terradrive

      Yupp, even in my petrol car, it uses 5-10% more fuel going from 32C to 36C just because the air conditioning works way harder

      Reply
    3. @jerrymyahzcat Avatar
      @jerrymyahzcat

      @@trevorberridge6079He finished with 3% battery. So he probably could have used the aircon to get to the charger – but it would have been Very close.

      Reply
    4. @mjbates Avatar
      @mjbates

      That should be factored into the efficiency rating in Wh/mile. I easily get 200-250 Wh/mile on 70° days, and 330-360 Wh/mile on 110° days. Same commute. Apologies for the Freedom units.

      Reply
    5. @legioner9 Avatar
      @legioner9

      @noproblem386: I couldn’t care less about total energy that goes to HVAC. Because I drive an ICE car. 😉

      Reply
  9. @rugbygirlsdadg Avatar
    @rugbygirlsdadg

    I’ve got to say that having a full length (or any length) sunroof in a car in a country where the temperature hits 40°C is bordering on insanity…

    Reply
    1. @subaruimprez4 Avatar
      @subaruimprez4

      In the Tesla you don’t have a choice 😬‼️

      Reply
    2. @bj6515 Avatar
      @bj6515

      I’d just be happy in my Skoda Yeti with an ice-cream like Jeremy.

      Reply
    3. @computerbob06 Avatar
      @computerbob06

      Apparently also in winter, the inside can frost up overnight and then when you warm the car up before driving, it can rain down on you! All cars with those roofs, not just Tesla’s!

      Reply
    4. @sleepyearth Avatar
      @sleepyearth

      @@subaruimprez4 This is weird. Alot of those chinese models already have a mobile sunroof shade. Idk why tesla doesn’t put one.

      Reply
    5. @killkiss_son Avatar
      @killkiss_son

      ​@@computerbob06 what ? 😂

      Reply
  10. @andrewchinn3178 Avatar
    @andrewchinn3178

    Everybody goes on about range anxiety, but the biggest issue is the cost of charging outside of the home. A smaller battery is no different than having a city car with a small fuel tank.

    Reply
    1. @desmondatkinson4642 Avatar
      @desmondatkinson4642

      Exactly right. If I charge at home I can get 250 miles of range for less than £6. At the most expensive rapid chargers, e.g. Shell, the cost would be over £50! An ICE car that can do 50mpg (some can) would cost around £35 in fuel for the same length of journey. The ability to charge an EV at home on an overnight tariff really is the golden ticket.

      Reply
    2. @siraff4461 Avatar
      @siraff4461

      Apart from most city cars with small fuel tanks usually still have double this range and can be filled on pretty much any route in a couple of minutes.

      Reply
    3. @ronaldmelia1172 Avatar
      @ronaldmelia1172

      @@siraff4461 But that doesn’t matter, does it? If I charge every night, I always have a full tank. My commute equals 97 miles every day. I start with 80% every morning and end with 48% every night. My VW Polo only lasts 3 days, and I have to fill it up. It takes 5 minutes, yes, it is quick, but still inconvenient because I have to leave the house earlier or get home later. Now here’s the difference. I drive my Polo to work and back every Monday, and this costs around £45 each month. I drive my EV to work and back Tuesday – Friday and it costs me around £45 each month. 4 to 1 ratio.

      I might do six long journeys each year, normally Portsmouth to Manchester and back, something I have done for years in various cars. Yes, it costs the EV around £20 more each way, but when taking into account yearly fuel costs, the EV is still very much cheaper to the tune of around £1,500. One last point I wnat to make, is that, in the last 28,000 miles (15 months of driving my EV) I have never taken antthing longer than 25 minutes charging on a public charger, thus my trips to Manchester have taken no longer than normal becuase, I charge when I stop and not stop to charge. Range anxiety is nonsense.

      Reply
    4. @JonathanTamm Avatar
      @JonathanTamm

      A bigger battery and a more efficient car and you can go further with the power from home at a lower cost and do less higher cost fast charging. When I go on a long trip I only put in enough charge to arrive home with 20% charge no point having a higher charge level from expensive fast chargers if I a bit of time for lunch and a nap I use a 22 kw charger at 1/2 the cost rather than fast charge in 15 min and have lunch and a nap for an hour or 2. I have lots of solar power at home at no cost and even more so after a few days away with just the fridge on.

      Reply
  11. @GruffSillyGoat Avatar
    @GruffSillyGoat

    One small bit of positive critique. On the charging stats, as well as the percentage range it would help to quote the kWh topped up and average kW charging rate to be more directly comparable, particularly as the vehicles’ battery sizes were different.

    The 10% to 80% on the 78kWh usable (81.4kWh total) on EV3 equates to 54.6kWh in 34 minutes (average 96.5kW charging), whilst the Model 3’s 75kWh usable (78.1kWh total) 9% to 80% equates to 53.3kWh in 32 minutes (average 99.9kW charging).

    These figures are so close that the imprecise timings given effectively make them the same, for example the extra 1% on the Tesla adds about 0.8kWh, whereas a 10% start would likely drop the Model 3’s average charging rate to around 95.5kW. The timing differences between the two vehicles in the video is likely down to the difference in battery size rather than other factors (particularly if neither vehicle was pre-conditioned).

    It would also help to clarify the duration of peak rates when stated in videos, since the Tesla Model 3 can only sustain 250kW for a couple of minutes, between around 10% to 15% SoC (circa 4.7kWh), and falls to below 100kW from 50% SoC. The EV3 has a fairly sustained charge curve, ramping to 130kW from 1% up to 65% SoC, falling below 100kW at 70% SoC. With both vehicles falling below 50kW at around 80%.

    The charging response differs considerably at different points along the charge curves on the two vehicles, a Model 3 would be quicker from 0% to 15% SoC, but an EV3 would be quicker from 15% to 80% SoC.

    Reply
  12. @ElektrikliHayat Avatar
    @ElektrikliHayat

    One of the points I always mention in electric vehicle groups in Turkey is this: the whole “winter range vs summer range” concept comes from northern countries’ terminology. In Turkey, winter and summer ranges are quite similar—in fact, on hot summer days, you may even see worse range than in winter. What northerners call “summer range” actually corresponds to our spring and autumn. Nice test.

    Reply
    1. @JT_771 Avatar
      @JT_771

      Nothing to do with powertrain … EV, vs ICE vs whatever. Just physics. Extra hot = more A/C.

      Reply
    2. @tsd560ti6 Avatar
      @tsd560ti6

      ​@@JT_771You cannot take it that simple. Combustion engines loose efficiency in hotter climates. EVs might cool the battery using devices like an AC-compressor, Most electronic components loose efficiency under higher temperatures.

      Additionaly, the load increase of cabin-AC brings combustion engines into higher loads making them more efficient whereas in electric cars, efficiency is high at pretty much any load already.

      Reply
    3. @SnaccHBG Avatar
      @SnaccHBG

      Meanwhile here in the UAE it’s probably summer range all year long 💀

      Reply
  13. @BarryHaegerSalesCoach Avatar
    @BarryHaegerSalesCoach

    I’ve an early Model 3 and in the first summer I was amazed how much the cabin heated up in the sun so invested £50 in roof sunshades with silvered side to reflect the heat back out. I had before a MG ZS with full glass roof and an electric sunshade built-in, but that was let down by clear glass windows all-round so I had special thermal reflective tints put on the glass reflecting 95% heat while barely visible to visible light. Why can’t car makers get their act together on these simple fixes so we don’t have to go to after market solutions?

    Reply
    1. @nikm3r Avatar
      @nikm3r

      UV filtering films are a godsent in southern countries (Greece in my case).

      Reply
  14. @CubbyTech Avatar
    @CubbyTech

    Seriously folks – AC doesn’t use nearly as much energy as heating does. There was no need to cut off climate control outright – just set it to 25C.
    WLTP is a terrible ‘official’ range – it stands for Well, less than probably

    Reply
  15. @schenevus82 Avatar
    @schenevus82

    I live in the tropics (max temp 35°C, usually around 30) and have the AC of my 2022 Hyundai Ioniq 5 SEL set to 23 – 24°C. In my case, the AC doesn’t have a great impact on range. You’ve done a great test for really hot temperatures!

    Reply
  16. @orion789 Avatar
    @orion789

    I think what’s often left out is that driving at motorway speeds is the biggest range reducer for an EV. Had they stayed in a city, the range would be much much higher.

    Reply
    1. @applicationsbroad7283 Avatar
      @applicationsbroad7283

      Yes but the only time range really matters for most people is on a long trip and that always means highway speeds. So this is the most relevant metric

      Reply
    2. @GDM22 Avatar
      @GDM22

      Absolutely true, arguing highway driving is the most applicable metric is also not relevant when most people are doing nearly all their driving around the suburbs.

      Reply
    3. @orion789 Avatar
      @orion789

      ​@@applicationsbroad7283But then they’re doing a comparison between combined numbers and purely highway numbers. POINTLESS!

      Reply
    4. @SteveLomas-k6k Avatar
      @SteveLomas-k6k

      My car can do long trips, short trips, in extreme heat or cold, and get >450 miles range back in 2 minutes, with no degradation. I can even blast the heat with no effect on range.
      If an EV could do all this, then there would be no need for mandates and subsidies.

      Reply
  17. @Soho9111 Avatar
    @Soho9111

    In Riyadh, Saudi Arabia I drive my ID.4 under 47c 🥵 and still running like charm, but the range is reduced due to battery and cabin cooling by about 15% to 20% and for me that is totally acceptable

    Reply
    1. @jeffforbess6802 Avatar
      @jeffforbess6802

      Mind
      Matter

      Reply
    2. @joeljoseph3344 Avatar
      @joeljoseph3344

      From Riyadh ? May I ask y did u get the electric though ..and how is the ev market in the gulf ?

      Reply
    3. @Soho9111 Avatar
      @Soho9111

      @@joeljoseph3344 I imported from china, the EV infrastructure is developing in Saudi Arabia and soon EVs will dominate the ICE cars
      Only BYD and Tesla has a formal dealers but the circle is expanding

      Reply
    4. @spiriter666 Avatar
      @spiriter666

      @@Soho9111 I loved KSA and Riyadh when I was there for 3 weeks. Awesome to see EV’s are growting there, especailly that it will fit the modern initatives in the city:)

      Reply
    5. @yo2trader539 Avatar
      @yo2trader539

      @@Soho9111 Gulf countries don’t even like hybrids unlike in North America, Europe, Oceania, and Japan. I highly doubt BEVs will replace ICE vehicles in the Middle-east anytime soon.

      Reply
  18. @SeanWilkes Avatar
    @SeanWilkes

    In my experience you lose about 20% of WLTP range when you are driving on motorways. So the heat wasn’t the only factor.

    Reply
  19. @borislavbokov5746 Avatar
    @borislavbokov5746

    A few very important stats were not mentioned – was it all highway driving, what speed were you aiming to do mostly and what was your average speed that you ended up with? B/c comparing to WLTP would not really show us good metrics but comparing to what people get in their own cars in different average speeds and different conditions would better show us what these cars can really do. Or if you did the same test at the same place at 25C and compare all stats from both trips.

    For example – in our Polestar 2, Long Range Single Motor (FWD, 170 KW / 75kWh battery capacity net), I recently got 18.9 kWh/100km which is 3.29 miles per kWh, in pretty harsh temperatures – 34-39C, for most of our trip.
    420 km/260 miles, with a little over a full battery (112% to be precise, of course stopped to top up b/c we didn’t even start the trip at a very high %). Average speed was 94 kph (58 mph). We’ve had a little bit of city driving (probably 5-6%), some around town (probably around 9-10%) and it was around 85% of highway driving with speeds between 110 and 140 kph (70-85 mph) – mostly 130-140 kph when I was driving and around 110-130 kph when my wife did. And all this with 500+ m (~1700 ft) uphil for the trip which also counts.

    Actual range 100-0% in these conditions – 372 km or 231 miles, which surprised me a lot b/c everybody says that this car is very thirsty. Well, it’s not 😀
    Of course, no point to compare to WLTP b/c they don’t do any tests at 140 kph 😀

    So a bit curious for more stats for you, guys 🙂

    Reply
  20. @ManfredvonHolstein Avatar
    @ManfredvonHolstein

    Every summer I drive an Ioniq 5 in these conditions. I use Eco mode and let the aircon work in eco mode. That’s totally sufficient to keep the car cool. The aircon typically pulls around 500W. That’s very little and hardly affects the range. Once the battery temperature exceeds 35 degrees, battery cooling also kicks in, but again doesn’t use much power. The EV3 for sure lets the driver see this data and it would have been nice to report it to the viewers.

    Reply
    1. @Caneandunable Avatar
      @Caneandunable

      Congrats on owning a 💩car 😂

      Reply

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