Tesla Model 3: Here's How The Range Changes In Hot And Cold Weather
Two identical paths, faced in different months, with the SR + version: the difference between the results can really make the difference
Electric cars and range: the greatest challenge of zero-emission mobility. By now, the new battery-powered cars have distances able to meet the daily needs of most motorists. But the unknowns are not lacking and the variables that affect the amount of road that the EVs can cover with a charge still differ significantly.
The same car, not only based on the driving style adopted, but also on the type of tires fitted or the weather conditions, can be considerably more or less efficient. And we wanted to test it with our editorial Tesla Model 3 SR +, which we tested on the same course in January and on a sunny October day. With very interesting results.
***Editor's Note: InsideEVs U.S. would like to thank our colleagues at InsideEVs Italy for conducting these tests and sharing the results with our readers. Check out the original article, in Italian, here.
The double proof tests
In the two tests carried out, the car was put to the test both on the Rome-Forlìroute - traditional reference of the real consumption tests of Motor1.com - and in the traffic of Rome, thus covering both urban and high- traffic routes.
Gallery: Tesla Model 3 Dyno
The efficiency of the American sedan was also calculated by carrying out an economy run and, conversely, by testing the maximum consumption. But first of all, let's get to know the focus of the test better according to the data reported by the registration certificate in Europe:
- Power: 100 kW
- Consumption : 14.9 kWh / km
- Range: 409 km
- Empty weight : 1,609 km
During the second test, held in October, the Tesla Model 3 recorded consumption of 11.9 kWh / 100 km, becoming the most efficient electric of all those analyzed with this type of test. In the previous test, in January, consumption did not go beyond 14.7 kWh / 100 km. A very marked gap, even considering the possible implementations that arrived via OTA.
On balance this is a difference of about 23.5%, which translated into km that can be traveled with a full tank, considering a declared range of 409 km, could be worth almost 100 km (62 miles) of difference. And in fact, if in January it was necessary to have a short stop at a direct current charger, in October the Tesla is covered the entire distance without having to recharge.
Headlights and heating?
What could have contributed to such a difference in consumption? In January the headlights remained on for longer, as part of the test was carried out in low light conditions. And again in January, theheating was used more, as it was colder.
However, these are two variables alone cannot justify such a large difference in performance in terms of efficiency. The same goes for tires: winter in January, summer in October, but both with the same rolling coefficient.
No, it is the fault of the cold
The external temperature, on the other hand, is the key to reading the results obtained. The January test took place in colder conditions, often below 10 degrees Centigrade (50 Fahrenheit). The October one, on the other hand, took place with clear skies and “spring” temperatures, over 20 Centigrade degrees (68 degrees Fahrenheit)
Precisely this difference has allowed the battery to face the journey in optimal conditions, without requiring special efforts from the accumulator air conditioning system. The case of January is different.
|January test||October test|
|Weather (departure / arrival)||Cloudy, 15 ° / Cloudy, 6 °||Clear, 26 ° / Clear, 18 °|
|Average real||14.70 kWh / 100 km (6.80 km / kWh)||11.90 kWh / 100 km (8.40 km / kWh)|
|Real spending||12.17 euros||10.02 euros|
|Km of the test||1,062||1,045|
|Total km at the start of the test||1.014||15,918|
|Average speed Rome-Forlì||78 km / h||78 km / h|
|Tires||Michelin Pilot Alpin 5 - 235/45 R18 98V XL M + S (EU label: C, B, 68 dB)||Michelin Pilot Sport 4 - 235/45 R18 98Y XL (EU label: C, A, 71 dB)|
In the heat, it is better everywhere
In the consumption test, in addition to the Forlì-Rome route, as mentioned, the Model 3 was also tested in other specific conditions. In all cases, the results obtained were better in October than in January. Below is the data for each route:
|January test||October test|
|Traffic in the city (Rome)||27.0 kWh / 100 km (3.7 km / kWh), |
185 km range
|15.0 kWh / 100 km (6.6 km / kWh), |
330 km of autonomy
|Mixed urban-suburban||17.4 kWh / 100 km (5.7 km / kWh), |
285 km of autonomy
|14.0 kWh / 100 km (7.1 km / kWh), |
355 km of autonomy
|Highway||22.8 kWh / 100 km (4.3 km / kWh), |
215 km of autonomy
|19.2 kWh / 100 km (5.2 km / kWh), |
260 km of autonomy
|Economy run||13.9 kWh / 100 km (7.1 km / kWh), |
355 km of autonomy
|9.2 kWh / 100 km (10.8 km / kWh), |
540 km of autonomy
|Maximum consumption||70 kWh / 100 km (1.4 km / kWh), |
70 km of autonomy
|81.4 kWh / 100 km (1.2 km / kWh), |
60 km range
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