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Tesla Model 3 single-piece casting will come, but not anytime soon, Elon Musk says
Tesla will “likely” switch the Model 3 sedan to a single-piece casting design in the future, CEO Elon Musk said in an interview with Sandy Munro. However, the design will not be on its way anytime soon, as Musk said the Berlin and Texas Gigafactories need to have production efforts well underway to sustain demand fulfillment.
The Model 3’s current design is not a single piece casting and is comprised of 70 different metal parts welded together to create the vehicle’s underbody. Tesla improved upon this design in its Model Y crossover by using a massive, single-piece casting to eliminate 69 total parts. The single-piece design is effective for manufacturing purposes and increases structural rigidity in the event of an accident.
As the Model Y and Model 3 dominate Tesla’s current sales and delivery figures, Munro mentioned to Musk that he was disappointed that his new Model 3 teardown did not reveal a single piece casting similar to the Model Y design. However, Musk indicated Tesla’s mass-market sedan would eventually use the single-piece casting, it would just take its next two production facilities to be in operation for it to happen.
Musk told Munro:
“At some point, we probably will switch to a single-piece casting, but I think we need to get the Texas factory and the Berlin factory going. We do have an issue. It is hard to change the wheels on the bus when it is going 80 MPH down the highway. So, Model 3 is…well, was most of our volume. Model Y will exceed Model 3, but we just need an opportunity to redo the factory without blowing the cash flow of the company.”
In its Q1 2020 Update Letter, Tesla showed the two designs. The Model Y casting (right) was two pieces at this point in time. Thanks to the introduction of Tesla’s Giga Press from IDRA, the automaker has eliminated the two-piece design in favor of a massive one-piece casting. The elimination of so many parts was a huge advantage for Munro, who detailed the casting advantages in several teardown episodes last year.
Tesla Model Y owner Tony Pham then showed the one-piece casting design on his vehicle while having a third-party accessory installed into his all-electric crossover. Pham’s Model Y was delivered in late 2020, proving that Tesla has been utilizing the one-piece design for several months.
Model Y single piece rear casting!
VIN 97k, delivered 12/23/2020. Thanks @TeslaFrunk for the rear kick sensor installation pic.twitter.com/jkIGwX265v— Tony Pham – “Quick Bandit” license plate mount (@TonyTesla4Life) January 10, 2021
Tesla’s single-piece design is widely thought by automotive engineers, including Munro, to be the most advantageous way to build a car. In Munro’s opinion, other automakers have ignored a single-piece design’s advantages due to their stubbornness to keep things the same. “Thousands of engineers, big-time executives, walk by [the idea]. They don’t do it,” Munro said.
One of Tesla’s manufacturing process’s main advantages is that it continues to refine its techniques and never admits that its current processes are the best way to handle things. Tesla is always looking to improve the situation of its manufacturing and production lines, always seeking different techniques and new ways to build its vehicles. The issue now is that Tesla’s vehicles are becoming so popular that its limited production lines cannot be halted to update some production techniques, especially to mass-market vehicles that have been produced for several years. Musk’s analogy of the bus going 80 MPH down the highway is extremely accurate, especially as Tesla is coming off of its largest production and delivery year in company history. Halting Model 3 production lines for an update to the vehicle’s casting design would be detrimental at the current time.
While it is likely that Model 3 single-piece castings could happen down the road, it is not something to expect soon. With Musk indicating that Giga Berlin and Giga Texas need to be in operation for this to occur, these facilities will likely need to have Model 3 production numbers high enough to offset the closure of lines at Giga Shanghai and Fremont. With Berlin focusing on Model Y production initially, it is likely that Model 3 lines will not be ramped for at least a year, so the single-piece Model 3 casting may not be seen until at least 2023.
Elon Musk’s full interview with Sandy Munro is available below.
Tesla has officially revealed its 2026 Summer Update, which comes with a variety of crazy new features, including Navigation fixes that owners have been wanting for months.
Tesla routinely releases a larger update with the Spring, Summer, Fall, and Winter updates, where it ships a variety of new features, bug fixes, and other additions to customer cars.
The 2026 Spring Update featured things like “Hey Grok” voice assistance, a redesigned self-driving app, Unreal Engine visual upgrades, and more.
🚨 TESLA’S SUMMER UPDATE FOR 2026 IS HERE:
Featuring:
✅ Self-Driving Stats in Mobile App
✅ Caraoke with Scoring
✅ Automatic Navigation
✅ Preferred Routes
✅ Set Arrival Energy from Mobile App
✅ Send Custom Wraps from Mobile App
✅ Rear Display Lock
✅ Other Improvements
🔌… https://t.co/C9IW3egEhH— TESLARATI (@Teslarati) July 21, 2026
Tesla’s Summer Release has about ten new features; we’ll show you each and detail them below:
New Grok Voice Commands
“Grok can now make phone calls, search and play music, adjust climate, open the glovebox, and answer questions about your Tesla.”
Self-Driving Stats in Mobile App
“View and share self-driving stats from the mobile app.”
Caraoke With Scoring
“Caraoke now scores your singing while in Park. High scores are saved to your Tesla profile.”
Automatic Navigation
“Automatic Navigation now adapts to your routine.
In addition to Home, Work, and upcoming calendar events, your vehicle can now suggest and route to places you visit regularly – like a school drop-off on the way to work, or the gym on the way home.”
Preferred Routes
“For a more personalized experience, navigation now prioritizes routes that you’ve taken before”
Set Arrival Energy from Mobile App
“Set your desired Arrival Energy from your phone.”
Send Custom Wraps from Mobile App
“Skip the USB drive and upload a custom wrap of your car from the mobile app. Instructions for creating a custom wrap here: https://github.com/teslamotors/custom-wraps.”
Rear Display Lock
“Kids can watch content on the rear screen, but only the front row can control it through the rear screen app.”
Other Improvements
- Find Superchargers by name when searching for a destination
- Add Apple Music songs to queue from search and artist page
- Set your preferred zoom level for the Self-Driving visualization
- Intro animations for new Model 3 and Y
Tesla’s reason for Starlink integration on Cybercab might surprise you, as the company’s Head of AI, Ashok Elluswamy, finally shed some light on the reason they are putting a satellite internet terminal on its ride-hailing-geared vehicle.
On Monday, Tesla officially confirmed that it would integrate Starlink V5 terminals into Cybercab vehicles, something many Tesla fans had figured the company would do, as the vehicle is primarily geared toward giving rides without any passenger intervention.
Starlink V5 directly integrated in Cybercab pic.twitter.com/FxzTtzjB6I
— Tesla (@Tesla) July 20, 2026
The ability to access the internet would allow riders to work or play in the car with their devices. It seemed like a more-than-reasonable feature to add to the Cybercab, which made its way off the production lines for the first time earlier this year.
Tesla reveals first vehicle model to receive Starlink integration
However, the move is not for the rider, as Elluswamy confirmed on Monday night. Instead, it’s actually for Tesla to be able to have a constant connection to the cars in the Robotaxi fleet so it can troubleshoot issues, contact riders, or resolve other issues.
Elluswamy said:
“It is still not required for safe operation of the vehicle. Connectivity is primarily meant for navigation, customer service and, in general, fleet management.”
It is still not required for safe operation of the vehicle. Connectivity is primarily meant for navigation, customer service and, in general, fleet management.
— Ashok Elluswamy (@aelluswamy) July 20, 2026
Many initially assumed the option of constant connectivity would be enabled on the Cybercab for passenger entertainment or work. With the Cybercab, passengers won’t be doing anything but enjoying the ride, so it seemed more than logical that they would be hanging out with Starlink internet access as an amenity.
However, Tesla’s primary concern with Robotaxi is safety, and nailing these first unsupervised rides is a crucial step to setting a good narrative on how effective driverless transportation can be.
Being able to get in touch with passengers or a vehicle if something is wrong is a crucial part of the overall experience, and preventative measures are being taken by Tesla to ensure a smooth process, even in the worst-case.
Tesla has expanded its Robotaxi program in Florida to include two new cities: Tampa and Orlando.
This marks the second and third cities to be added to the company’s available locations for autonomous ride-hailing in the Sunshine State, joining Miami, which was the first Florida city to offer Robotaxi rides.
Tesla announced the addition of Orlando and Tampa to the Robotaxi program on Tuesday morning. The cities now join Austin, Dallas, Houston, Miami, and the San Francisco Bay Area as locations where Tesla can operate its Robotaxi platform:
Robotaxi now in Tampa & Orlando! pic.twitter.com/fYtmXgJq3O
— Tesla Robotaxi (@robotaxi) July 21, 2026
These rides are unsupervised, as AI Head Ashok Elluswamy confirmed the suite in Florida is operating without safety drivers or anyone within the cabin to assist with operation.
Orlando Tesla Robotaxi Operation
The geofence in Orlando covers a prominent irregular shaded zone on the map, roughly 4-6 miles across in key dimensions, so it likely measures somewhere between 25 and 45 square miles, which is comparable to other early Tesla launches in other cities.
It encompasses central and southern areas bounded by major highways including SR-417 and SR-528, including parts of the Orlando metro core, tourism-adjacent zones, and residential/commercial districts. This represents an initial targeted rollout in a tourist-heavy region, positioned for quick expansion via Tesla’s software updates.
Tampa Tesla Robotaxi Operation
In Tampa, the shape of the geofence is a shaded polygon covering key neighborhoods, explicitly including West Tampa, Tampa Heights, Hyde Park, and downtown Tampa proper, with boundaries along major roads and the Hillsborough River area.
This focuses on high-demand central zones and will offer tourists and citygoers rides without drivers.
Robotaxi Progress
Tesla has been operating Robotaxi since last June, when it launched in Austin. The geofences in most regions have already expanded several times since their launch last year, but the bigger complaint is vehicle availability. Tesla has been working to add more Robotaxi-enabled vehicles to its fleet.
The company still plans to utilize its Cybercab, a new vehicle that is being produced at Gigafactory Texas, for the Robotaxi suite alongside the Model Y, which has been the vehicle of choice for Tesla with early operations.
Tesla reveals 2026 Summer Update with crazy fixes to Nav and more
Tesla’s reason for Starlink integration on Cybercab might surprise you
