Tesla Unveils Striking New Stealth Grey Color

By Kevin Armstrong
Stealth Grey is now available for the Model S and Model X
Stealth Grey is now available for the Model S and Model X
Tesla

Tesla has introduced a new color for the Model S and Model X: Stealth Grey. This fresh addition, showcased in a dynamic video on X, offers a sleek and sophisticated choice for the Model S and Model X.

For a company that doesn't advertise much, it certainly hit up the excitement with a video posted on X. Capturing the essence of the new Stealth Grey, the footage highlights the color's depth and sophistication. The first glance at this hue suggests a deeper version of the Midnight Silver that has been punted from the lineup.

Stealth Grey Joins the Ranks at No Extra Cost

What makes Stealth Grey an even more appealing choice for prospective Tesla owners is its accessibility. Unlike previous times, when opting for a color other than the standard meant additional costs, Tesla has included Stealth Grey in the base price of both the Model S and Model X. This inclusion follows a trend of recent price adjustments by Tesla.

Global Availability and Future Expansion

Initially rolled out for the Model S and Model X, the excitement around Stealth Grey isn't limited to North American markets. Tesla has also announced its availability for the new Model 3 in Europe and Asia. This move suggests that Tesla might be planning to make the new hue available across other models and regions in the near future. Stealth Grey for the new Model 3 is one of the more expensive colors, along with Ultra Red. It's not clear whether Tesla will offer the current Model 3 or the Model Y in Stealth Grey in the future.

Looking Forward: Tesla's Colorful Horizon

The introduction of Stealth Grey is not a solitary incident. A year ago, in October 2022, Tesla's Giga Berlin factory began rolling out vehicles in the stunning Quicksilver and Midnight Cherry Red. Since then, we've eagerly awaited these colors to make their way to other regions.

While speaking on the Ride the Lightning podcast, Franz von Holzhausen, Tesla's Chief Designer, stirred up the excitement. Though always careful with his words, he dropped strong hints about North America, soon witnessing an infusion of new shades. His genuine enthusiasm for the colors developed at Fremont with his team was evident as he spoke about how photos don't do justice to these shades. To truly appreciate their beauty, one must see them firsthand.

Tesla has historically maintained a simple yet elegant color palette for its models, reminiscent of Henry Ford's famous sentiment about the Model T only being available in black. From the start with the Model 3, Tesla kept the options concise, with a black color variant being the standard and other hues costing a bit more. This limitation was in the spirit of streamlining production, especially during challenging ramp-up periods. However, times change, and Tesla appears to be embracing a more colorful future.

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With all the attention on Cybertruck, Tesla is quietly working on the real game changer. Somewhere in Tesla's research and development is the Model 2, the next-gen, more affordable Tesla. It is the car that Tesla predicts will sell more than all of its other vehicles - combined!

The company has long been known for its futuristic and sleek designs, with the upcoming Model 2 touted as the most affordable and utilitarian offering yet. Yes, utilitarian were the words used by Elon Musk as he reiterated the primary focus for the Model 2 would be simplicity in design, manufacturing efficiency, and affordability.

But how might this vision translate into the actual car design? We have a few ideas using some hints and some lessons from the past. For simplicity's sake, we will refer to the next-gen car as the Model 2 in this article.

Teardrop Shape: Aerodynamic Mastery

Arguably the most aerodynamic shape for cars, the teardrop design minimizes drag, which is crucial for electric vehicles where range is paramount. The Model 2 could integrate this shape, focusing on the perfect harmony of form and function.

A vehicle is yet to be produced, but it has shown this design and how Tesla could use it. Aptera knows that in vehicle efficiency, drag coefficients are king. It is a crucial metric denoting aerodynamic resistance: while a Toyota Corolla registers at 0.29 and the Tesla Model 3 impresses with 0.23, the Aptera records 0.13. To put that in perspective, the bottlenose dolphin puts up a 0.1.

When McLaren set out to conceive their swiftest road-going model, it didn't merely optimize the engine; it sculpted the very form of the car itself. The McLaren Speedtail's streamlined silhouette, exemplified by its elongated tail, the omission of conventional side mirrors, and aerodynamic front wheel covers, is a testament to this design philosophy.

Three Wheels: Sneak Peak Lines up with Aptera

An image in the Walter Isaacson books seems to be a mock-up of a Model 2. Take a good look at both the product and the pictures on the wall behind it. It appears to be a three-wheel, tear-shaped vehicle. Aptera also has three wheels. The company says it "leads the pack by having the least "rolling resistance" â€" the energy needed to keep your tires rolling at a straight and steady pace."

Going to three wheels reduces the touch points and areas where energy can be lost. It could incorporate unconventional headlights or eliminate the traditional trunk. The Aptera's radically efficient design offers a glimpse of such out-of-the-box thinking.

Rethinking Doors and the Frunk: Simplifying Structure

While a four-door design is conventional, a two-door Model 2 would be simpler and likely cheaper to manufacture. Moreover, since the frunk primarily serves as storage in electric vehicles, Tesla could consider eliminating it altogether. This recalls Volkswagen's audacious 1-litre car concept, which featured gullwing doors and a futuristic design.

But we don't need to go back that far, as again, we can point to Aptera's design. The two-door, two-seater has storage room but certainly not to the same level as a Model 3. Given this Model 2 is going to be a point A to point B car, how much storage space is required?

Aero Wheel Design: Balancing Aesthetics with Efficiency

Tesla's Model 3 aero wheels have already demonstrated the balance between aesthetics and efficiency, offering up to a 3.4% boost in range. The Model 2 could take this further by fully enclosing the wheels or adopting innovative designs similar to the McLaren Speedtail's aerodynamic front wheel covers. It could go even further than that; see the next point.

Fender Skirts: Maximizing Range

Historically, fender skirts have shown a marked improvement in fuel efficiency. The original Honda Insight from 1999 achieved a drag coefficient of 0.25 with its covered rear wheels. By re-introducing fender skirts, Tesla could further streamline its impressive aerodynamics, extending the Model 2's range. But, as General Motors pointed out, this could require certain design adjustments, like narrower rear tires, to maintain safety and handling.

Mirrorless Design: Reducing Drag

Mirrors add drag, and if Tesla can persuade regulators, a mirrorless design would make the Model 2 even more streamlined. Replacing mirrors with cameras has been around for a while. Still, Tesla could be the one to popularize this in mass-market EVs. The company has already been touting this as a feature for the Cybertruck. However, some jurisdictions require external mirrors. At some point during the evolution of the car, regulators must understand that camera technology is superior to mirrors.

While these speculations are based on current trends and historical data, one thing is certain: Tesla's Model 2 will challenge conventions. As the company delves deeper into achieving unmatched manufacturing efficiency and affordability, the Model 2 will likely carry Tesla's legacy of innovation.

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Tesla LFP Batteries Can Now Be Warmed up While Supercharging Using Innovative Feature

By Karan Singh
Not a Tesla App

Tesla’s been on a roll with Supercharger improvements lately, from the 325kW charging update for the Cybertruck, to 500kW with V4 Superchargers coming next year. While those improvements have been limited to the Cybertruck, Tesla didn’t put all their focus on their new flagship vehicle, but looked at their more affordable vehicles as well.

LFP Battery Heating

Tesla’s Superchargers can now heat LFP Batteries - those that are in the Model 3 and Model Y Rear Wheel Drive variants. This applies to Long Range and Standard Range models, which saw a limited run. This is another update included as part of the 2024 Tesla Holiday Update - which really arrived with a lot of unannounced new features and capabilities.

The change is pretty interesting - Superchargers of the V3 and V4 variety can now pre-heat batteries for Model 3 and Model Y vehicles equipped with LFP battery packs. That means those vehicles are able to get back on the road faster when it's extremely cold. Of course, Tesla still advises you to precondition before you arrive, saving drivers time and money.

Max de Zegher, Tesla’s Director of Charging, also commented on the new feature. Essentially, Tesla is inducing an AC (alternating) ripple current through the battery to warm it up. Keep in mind that Superchargers are DC charging. That means it is possible to get a cold-soaked LFP vehicle on the road 4x faster than before, assuming that it didn’t precondition at all and that it is in the worst-case scenario (below 0ºF).

In essence, Tesla is using some engineering magic to turn the circuits inside the LFP battery into an electric heater - and powering that heater through the Supercharger. An AC ripple current is a small oscillation in the DC charging current that generates heat through electrical resistance, warming up the battery. Those ripples are a byproduct of converting AC to DC and back - so Tesla is using the onboard charger to induce those ripples to warm up the battery. Definitely an innovative technique that’s really only possible with the versatility of the NACS connector.

We’re hoping Tesla can implement this across their full lineup of vehicles, but we’ll have to wait and see how it is trialed across LFP vehicles first and if it is even possible on vehicles with 2170 or 4680 battery packs.

Tesla Included FSD V12.6.1 and V13.2.4 in the Same Update: What Caused This and What It Means

By Karan Singh
Not a Tesla App

Tesla launched two FSD updates simultaneously on Saturday night, and what’s most interesting is that they arrived on the same software version. We’ll dig into that a little later, but for now, there’s good news for everyone. For Hardware 3 owners, FSD V12.6.1 is launching to all vehicles, including the Model 3 and Model Y. For AI4 owners, FSD V13.2.4 is launching, starting with the Cybertruck.

FSD V13.2.4

A new V13 build is now rolling out to the Cybertruck and is expected to arrive for the rest of the AI4 fleet soon. However, this build seems to be focused on bug fixes. There are no changes to the release notes for the Cybertruck with this release, and it’s unlikely to feature any changes when it arrives on other vehicles.

While this update focuses on bug fixes, Tesla’s already working on bigger features for FSD V13.3, which we have already confirmed to include improvements to highway following and speed control.

FSD V12.6.1

FSD V12.6.1 builds upon V12.6, which is the latest FSD version for HW3 vehicles. While FSD V12.6 was only released for the redesigned Model S and Model X with HW3, FSD V12.6.1 is adding support for the Model 3 and Model Y.

While this is only a bug-fix release for users coming from FSD V12.6, it includes massive improvements for anyone coming from an older FSD version. Two of the biggest changes are the new end-to-end highway stack that now utilizes FSD V12 for highway driving and a redesigned controller that allows FSD to drive “V13” smooth.

It also adds speed profiles, earlier lane changes, and more. You can read our in-depth look at all the changes in FSD V12.6.

Same Update, Multiple FSD Builds

What’s interesting about this software version is that it “includes" two FSD updates, V12.6.1 for HW3 and V13.2.4 for HW4 vehicles. While this is interesting, it’s less special when you understand what’s happening under the hood.

The vehicle’s firmware and Autopilot firmware are actually completely separate. While a vehicle downloading a firmware update may look like a singular process, it’s actually performing several functions during this period. First, it downloads the vehicle’s firmware. Upon unpacking the update, it’s instructed which Autopilot/FSD firmware should be downloaded.

While the FSD firmware is separate, the vehicle can’t download any FSD update. The FSD version is hard-coded in the vehicle’s firmware that was just downloaded. This helps Tesla keep the infotainment and Autopilot firmware tightly coupled, leading to fewer issues.

What we’re seeing here is that HW3 vehicles are being told to download one FSD version, while HW4 vehicles are being told to download a different version.

While this is the first time Tesla has had two FSD versions tied to the same vehicle software version, the process hasn’t actually changed, and what we’re seeing won’t lead to faster FSD updates or the ability to download FSD separately. What we’re seeing is the direct result of the divergence of HW3 and HW4.

While HW3/4 remained basically on the same FSD version until recently, it is now necessary to deploy different versions for the two platforms. We expect this to be the norm going forward, where HW3 will be on a much different version of FSD than HW4. While each update may not include two different FSD versions going forward, we may see it occasionally, depending on which features Autopilot is dependent on.

Thanks to Greentheonly for helping us understand what happened with this release and for the insight into Tesla’s processes.

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