Exclusif : nous avons eu accès aux vraies puissances de toutes les Tesla !

Exclusif : nous avons eu accès aux vraies puissances de toutes les Tesla !

Since 2015, Tesla has chosen not to communicate the power of its cars anymore, keeping the values ​​secret. But the editorial team was able to have exclusive access to all of Tesla’s approved proxies. And there are surprises!

We are in 2015. Wanting to aim higher and stronger, Tesla launched the Model S P85D. A high-performance version, which promises 691 hp, or 700 hp in our measurement system. It is the widespread panic in the press and among enthusiasts of automotive performance. But from the first tests, something was wrong with the lap times.

This is what I was able to experience in the context of a test measuring, for reporting purposes, the P85D against a 2005 Ford Mustang Shelby GT500, which was quite vitaminized. The technical sheet of the beast: more than 600 compressed CV, sent only to the rear wheels through a virile mechanical gearbox. Specificities at the antipodes of the Model S, which would take away your work (700 CV at all four wheels with a pair available immediately). But nothing helps: at every 400 m DA, the Mustang takes the lead! Given the current times, we could contemplate a power of around 500 hp. That’s a lot less than the advertised 700 horsepower.

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But it’s impossible to be sure, the Model S refuses to pass a lie detector at a central bank. This was not the case with traditional dynamometers, as several owners in the United States were able to do, discovering the pot-au-rose: after several different tests using various methods, the collective estimated the power at 557 hp, or 564 hp with battery at 100%. This would explain why the electric sedan was no match for an Audi RS7, as the owners have made clear.

The power of Tesla, a well-kept secret

From then on, the technical director announced that it was above all a confusion in the calculation method, which consisted of adding the power of the two engines. But our colleague Nicolas Meunier from Challenges magazine went further and finally discovered that it was the battery that could not deliver more than 550 hp according to his rigorous observations. If Tesla did not listen to the work of French journalists, the brand nevertheless bowed to the conclusions of the owners and began to modify the way of advertising the power of their cars.

After multiple changes to its listings, Palo Alto has finally made the decision to erase its tracks and no longer directly communicate official powers, except for Plaid models (although the brand is showing some difficulties in terms of conversion, we’ll come back to this). . It was also possible to find out the wattages through the owner’s manuals, but this is no longer the case, except in the Tesla Model 3. On the other hand, the American version of the document does not present any value. In short, the only solution to establish a hierarchy within the range? Obtain Tesla homologation forms. What the writing of Automobile Propre had the opportunity to do in total exclusivity after investigation.

These files, prepared by the authorities, allow to know the approved powers of the cars, thermal or electric. If they are not necessarily real (sometimes more, sometimes less), the truth is that they are perfectly official values ​​and rigorously announced by the manufacturers: we have checked the data of another 10 cars and 5 combinations, which is more than enough to be sure of this information. As Ford states on its American site, this is the maximum power measured at the motor, with a battery at its best. This allows us to take stock of one of Tesla’s little secrets and understand certain inconsistencies.

Tesla Plaid: 1,020 hp, but not for everyone

And the first of them, and not the least, concerns the Tesla Model S Plaid, which is not afraid to show its power on the home page of the site. Only the manufacturer forgot, voluntarily or not, to convert the values: the sedan cannot have 1,020 hp and 1,020 hp at the same time, as shown on the US and FR sites. Either the 1,020 hp equals 1,034 hp, or the Tesla Model S develops 1,006 hp. And it is this last value that the administration retains, as revealed by the documents in our possession. A power that therefore corresponds well to 1,020 hp (750 kW) in our measurement system. Most Americans won’t mourn the 14 hp, except for the pickiest of eaters, but Elon Musk’s brand surprisingly hasn’t bothered to make the change, unlike the 0 to 100 km/h that hasn’t been forgotten.

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Even more surprising, the Tesla Model X Plaid would not have the same power, while benefiting from the same mechanical configuration as the sedan of the same name. Retained power? Some 938 hp (690 kW), a shortfall of 82 hp! And if we were to think first of all about a preliminary measurement (which can sometimes explain lower horsepower), the Model X was measured as a production vehicle after the Model S.

However, the difference is much more measured, if not insignificant, with the Long Range versions. The Tesla Model S Long Range offers exactly 671 hp (494 kW), or 9 hp less than our estimate during its first test in California. The equivalent Model X tops out at 669 hp. This therefore corresponds to the 670 hp precisely advertised at the bottom of the model’s presentation page on the brand’s website.

It’s a bit more complex with the Tesla Model 3 and Model Y

But it is not the only SUV that has less power than its sedan counterpart. This is also the case with the Tesla Model Y Performance, which we were recently able to test as part of the Clean Automobile Supertest. During the times exercise (2.6s at its best in Sport mode), the American SUV did almost as well as the heavier and less powerful Ford Mustang Mach-E GT. True, the torque values ​​should not be ignored here, but still. And on closer inspection, this Performance version would only make 424 hp (312 kW) with its four-wheel drive. This corresponds to 29 hp more than the Long Autonomy version (395 hp), also equipped with two electric motors and the same battery.

Up front, the Tesla Model 3 Performance is credited with 436 hp (321 kW). Which is equivalent here to 38 hp more than the Tesla Model 3 Grande Autonomie, and its 398 hp, also in its latest approved version (model year 2022). These are 51 hp and 58 hp less respectively than the 2020 models. The Tesla Model 3 SR+, meanwhile, went from 286 hp to 269 hp (198 kW) with its latest vintage.

Here are the wattages of all the Teslas in the range, as they should be shown on the license plates if Tesla decides to officially communicate them. But it should be noted that they are only indicative, and only reflect those measured by the administration. If this is the case except with the Model S/X, remember that the Model 3/Y may have different engines depending on production needs. Also, keep in mind that the battery used (and in particular its chemistry), which depends on the place of production, can vary the final power.

The power of the electrical ones can vary

As it is, it’s hard to say that a Tesla Model 3 can generate exactly the same power as its neighbor. This is not always the case with thermal motors, but also with electric ones… Because let’s remember that different factors can influence the available power. Ford points out, for example, that results seen by curious owners can vary. Volkswagen plays the transparency card in the press releases provided during press presentations. During our driving of the Volkswagen ID.5 GTX (299 hp), we could read at the bottom of the page: “The power available in a given driving situation depends on variable factors such as outside temperature, charge level, conditioning and physical aging of the high-voltage battery. So that the maximum power be available (299 hp / 220 kW Editor’s note)the temperature of the high-voltage battery should be in particular between 23 and 50°C and it should be charged to more than 88%”.

The fact is that Teslas have this tendency to admit a little more power “than advertised”. This is the case, for example, of the Model Y Performance, capable of developing more than 500 CV on a bench. A Model S Plaid even had a chance to produce 1,116 hp (1,101 hp), on the same kind of dyno. That’s a 10 to 20% surplus power compared to the homologation sheets. This explains the results obtained with the Tesla Model S P85D from 2015, then officially accredited with… 455 hp according to these documents.

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