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Tesla Model Y vs Model 3 casting comparison shows that legacy auto’s ‘soil-your-pants’ moment is at hand
Back in April 2018, automotive teardown expert Sandy Munro mentioned that if Tesla had contracted an experienced automaker to produce the early-production Model 3’s body, the electric car maker would have “wiped the floor with everybody.” This is because from the suspension down, the Model 3 was a stellar piece of engineering, despite its body having several issues.
Its electric motors were compact, powerful, and cost effective; its batteries are the best in the industry, and its driving dynamics give the impression that the vehicle was riding on rails. Munro noted that if Tesla had hit a home run with the Model 3’s “dinosaur technologies” like its welds and casts, even veteran auto giants like Toyota would appropriately be “crapping their pants.”
It has been nearly two years since Munro mentioned those words during an appearance at YouTube’s Autoline After Hours. Tesla has changed a lot since then, and the company has even released its latest vehicle, the Model Y crossover. Sharing 75% of the Model 3’s parts, the Model Y is designed as a mass-market electric vehicle, and one that can be even more disruptive as its sedan sibling.
Munro, for his part, has acquired and started a teardown of the all-electric crossover. And based on his findings thus far, it appears that Tesla’s “dinosaur technologies” have improved vastly since the Model 3. This is most evident in the rear casting utilized on the two vehicles.
One look at the Model Y and Model 3’s rear casts shows that the two vehicles are already worlds apart in terms of build quality and design. Munro noted that he did not like the Model 3’s rear casting at all, since it was also over-engineered, with about 100 parts utilized for its rear trunk.
In a way, the Model 3’s rear casting represented the hubris that Elon Musk has admitted to in the past, as it showed Tesla essentially trying to fix something that is not necessarily broken. The result of this was a lot of challenges for Tesla, and a lot of issues with the early-production Model 3’s rear casting.
The Model Y is an entirely different animal. The all-electric crossover features what could only be described as a giant rear casting that is the complete antithesis of the Model 3’s. It has few parts, its welds are consistent, and it features a trunk tub that is similar to those utilized by the world’s best automakers. It’s pretty much what the Model 3 could have been if Tesla was more experienced when they started building the all-electric sedan.
If the Model 3’s rear casting was an exercise in hubris, the Model Y’s rear cast is an exercise in humility. It showed that Tesla is flexible, and that it’s willing to learn, even if it meant abandoning its initial plans and starting from the ground up. Tesla evidently abandoned the early-production Model 3’s rear casting and trunk design. And it’s all the better for it.
A lot of this could be attributed to Elon Musk himself. Munro has noted in the past that he and the Tesla CEO had talked over the phone during his Model 3 teardown, where Musk explained the reasons behind some of the findings about the all-electric sedan. Munro’s firm later sent Tesla a pro bono list of over 200 suggestions that can improve the Model 3’s body.
These suggestions seem to have come to life in the Model Y. Granted, the teardown process for the all-electric crossover has only just begun. Still, several aspects of the vehicle, most notably its rear casting, shows that Tesla did learn from the Model 3, and it has become a much more mature automaker today. Other suggestions from the teardown expert were also applied to the Model Y’s other components, such as its wiring.
It should be noted that Tesla’s fast evolution is partly due to the company’s Silicon Valley startup roots. Startups are notorious for quick, drastic changes in direction, and workers at these companies are required to be tough and flexible. Tesla embodies this, making the company notoriously challenging to work for compared to conventional car companies like GM or Ford.
Yet despite this, Tesla has ranked consistently among the most attractive firms for engineering students. This is because in Tesla, conventional corporate bureaucracy is replaced with an open communication system that allows even interns to share their ideas with company executives. Some of the issues in the Model 3’s early production lines, for example, were addressed by interns, who were later hired full-time by Tesla.
The Model Y is a crossover, which means that it is competing in one of the fastest-growing segments in the auto industry today. With the Model Y, Tesla has the chance to make its biggest mark in the market yet. Fortunately, the electric car maker appears to have done its homework before it released its newest vehicle. One could even argue that Tesla released the Model Y at the perfect time. A mass-market all-electric vehicle that can disrupt the market of crossover SUVs requires a mature company, after all, and Tesla has only started to fit this bill recently.
Just two years ago, Munro mentioned that if the Model 3 had a properly-built body, veteran automakers like Toyota would be “crapping their pants” because of how outclassed they would be. With how the Model Y is turning out, it appears that legacy auto would be wise to keep some extra pairs of pants for the coming years, just in case.
Watch a deep dive into the Tesla Model 3 and Model Y’s rear casts in the video below.
Investor's Corner
LIVE BLOG: Tesla (TSLA) Q3 2025 earnings call
The following are live updates from Tesla’s Q3 2025 earnings call.

Tesla’s (NASDAQ:TSLA) earnings call comes on the heels of the company’s Q3 2025 update letter, which was released after the closing bell on October 22, 2025.
Tesla’s Q3 2025 Results
As could be seen in Tesla’s Q3 2025 Update Letter, the company posted GAAP EPS of $0.39 and non-GAAP EPS of $0.50 per share. Tesla also posted total revenues of $28.095 billion. GAAP net income is also listed at $1.37 billion.
Tesla’s total revenue increased 12% YoY to $28.1 billion, while operating income decreased 40% YoY to $1.6 billion. This means that for Q3 2025, Tesla’s had a 5.8% operating margin. Tesla’s quarter-end cash, cash equivalents and investments was $41.6 billion by the end of the third quarter.
Earnings call updates
The following are live updates from Tesla’s Q3 2025 earnings call. I will be updating this article in real time, so please keep refreshing the page to view the latest updates on this story.
16:25 CT – Good day to everyone, and welcome to another Tesla earnings call live blog. The Q3 2025 Update Letter seemed to be on the quieter side, but it’s hard not to be impressed with Tesla’s $4 billion free cash flow, an all-time high.
Now we just have to see how the earnings call will go.
16:30 CT – Looks like the earnings call’s livestream is up. It hasn’t started yet, but the music’s on. Here’s the livestream:
16:33 CT – One of the most fun things about Tesla earnings call coverages is that you don’t really know what type of Elon Musk you’re gonna get. The questions from investors and analysts are always fun too.
16:35 CT – And here we go. Travis Axelrod takes the floor and introduces Tesla’s executives.
16:36 CT – Elon’s opening remarks begin. He says Tesla is at a critical point because real-world AI is imminent. He states that he believes Tesla has the highest intelligence density. “It’s gonna be like a shockwave,” Elon said, highlighting that there are millions of cars out there that could become full self-driving with a simple software update.
16:38 CT – With Tesla achieving clarity on Unsupervised FSD, Musk stated that he feels “confident in expanding Tesla’s production.” He also noted that Tesla Energy is rising quickly, especially with products like the Powerwall and the Megapack. “We see the potential there for Tesla battery packs to improve the energy output per year of any given grid, the US or otherwise.”
16:40 CT – Elon also reiterated his prediction that Tesla Optimus could be the largest product in the world. A good reason for this is the fact that Tesla has scale, Musk stated. Musk also stated that it’s easy for users in the United States to test out FSD V14 for themselves. He also mentioned that Tesla is currently hard at work with Megapack 4.
“We look forward to unveiling Optimus V3 in Q1. I think it will be quite remarkable,” Musk said, adding that V3 will almost seem like a person in a robot suit.
16:45 CT – Musk summed up his opening remarks with a comment on Tesla’s updated mission.
“In conclusion, we’re excited about the updated mission of Tesla, which is sustainable abundance. We’re going beyond sustainable energy. We believe that with Optimus and self-driving, we can actually create a world where there is no poverty, where everyone has access to the finest medical care.
“Optimus will be an incredible surgeon. Imagine if everyone had access to an incredible surgeon. I think we’re headed to sustainable abundance, and I’m excited to work with the Tesla team to make that happen,” Musk said, summing up.
16:48 CT – Tesla CFO Vaibhav Taneja discussed the company’s rollout of its expanded Model Y lineup such as the Model Y L, as well as the advantages of the Robotaxi network. He also confirmed that Tesla is looking to secure approvals for FSD tests in several areas across the globe.
He also discussed Tesla’s regulatory credits. “”While regulatory credits declined sequentially, we entered into new contracts and delivered on previous contracts,” he said.
16:54 CT – Investor questions are asked about demand for Megapack and Powerwall. Tesla noted that Tesla is seeing a lot of interest and demand for Megapack and its related products. There is also a surge in demand for residential batteries.
Looks like the Tesla Solar Roof is coming alive as well.
16:59 CT – A question about the challenges of Optimus’ rollout was asked. Elon Musk noted that bringing Optimus to market would not be a walk in the park. It will be a very difficult endeavor. “It’s an incredibly difficult thing,” Musk said, adding that the hands of Optimus are very difficult to design and produce due to its complexity.
Tesla is really putting a ton of work on Optimus’ hands, likely because the robot will need to be very dexterous to be useful in both residential and industrial applications. He noted that for Optimus to be successful, Tesla must really be vertically integrated.
Elon also mentioned that Optimus is one of the reasons behind his goals with his 2025 compensation plan. He needs control of Tesla if the company is building a literal robot army.
17:05 CT – A question about Tesla’s chip deal with Samsung. Elon noted that he has nothing but good things to say about Samsung. He then clarified that Tesla will be focusing both TSMC and Samsung on AI5.
“The AI5 chip design by Tesla is an amazing design. I have spent every weekend for the last few months with the chip design team working with AI5,” Musk said. “By some metrics, the AI5 chip will be 40x better than the AI4 chip.” This is because the hardware is designed for Tesla’s software stack.
There is also a lot of efficiencies and deletions that have been implemented on AI5. “This is a beautiful chip,” Musk said, reiterating that both Samsung and TSMC will be producing AI5. Tesla wants an oversupply of AI5 chips. If there’s an oversupply, Musk said that the chips could just be used for training in Tesla’s data center.
17:09 CT – A question was asked about Tesla abandoning HW3 was asked. The CFO stated that Tesla is not abandoning HW3. “We will definitely take care of you guys,” he said, adding that he himself is driving a HW3 car. Tesla executives also noted that the company is developing a V14 “Lite” for HW3 cars.
17:13 CT – A question about the Tesla Semi’s autonomy was asked. Tesla noted that things are progressing with the Semi program. Analyst questions now begin. First up is Wolfe Research, which asked about Elon’s comment about Tesla now focusing on volume with FSD now developed.
Elon Musk responded that Tesla’s capacity today is not at 3 million cars yet, but Tesla can probably achieve that level in 24 months or less. “We’re gonna expand production as fast as we can, and as fast as our suppliers can keep up with it,” he said.
He added that the Cybercab will be a big project since it’s a your de force of engineering optimization due to its driverless nature. He also stated that Cybercab production will start in Q2 2026.
17:21 CT – Barclays asked about markets that are outside of Tesla’s core competencies. Elon noted that Tesla had zero core competency when it started. He highlighted that Tesla today is still a bunch of startups that are working together. He did also state that “Optimus at scale is an infinite money glitch” since it could 5X a person’s productivity.
17:27 CT – Lightshed asks about the Robotaxi program and the removal of safety drivers in Austin by year end. Musk noted that Tesla will be very cautious with FSD’s rollout. He noted that Tesla will be paranoid about safety. He noted that Tesla typically rolls out its FSD updates with safety at the forefront, so first builds of a major release tend to be safe but not as smooth.
“This car will feel like a living creature,” Musk reiterated, adding that Teslas will eventually be able to find parking spots on their own intelligently.
17:34 CT – Oppenheimer asked about the timeline of Optimus production. Musk noted that the hardware design of Optimus will not be frozen even after the humanoid robot starts its production. “We’ll have a production-intent prototype ready to show in Q1,” Musk said, adding that hopefully, Optimus will enter production late next year.
17:37 CT – Questions for this earnings call are done, and in closing, the CFO urged shareholders to vote on the Board’s recommendations. Tesla’s future depends on it.
17:41 CT – And that wraps up Tesla’s third quarter 2025 earnings call! Thank you so much for following along as we covered this event. Until the next time!
Investor's Corner
Tesla (TSLA) Q3 2025 earnings results
Tesla’s Q3 earnings come on the heels of a quarter where the company produced over 447,000 vehicles, delivered over 497,000 vehicles, and deployed 12.5 GWh of energy storage products.

Tesla (NASDAQ:TSLA) has released its Q3 2025 earnings results in an update letter. The document was posted on the electric vehicle maker’s official Investor Relations website after markets closed today, October 22, 2025.
Tesla’s Q3 earnings come on the heels of a quarter where the company produced over 447,000 vehicles, delivered over 497,000 vehicles, and deployed 12.5 GWh of energy storage products.
Tesla’s Q3 2025 results
As could be seen in Tesla’s Q3 2025 Update Letter, the company posted GAAP EPS of $0.39 and non-GAAP EPS of $0.50 per share. Tesla also posted total revenues of $28.095 billion. GAAP net income is also listed at $1.37 billion.
In comparison, FactSet consensus expects Tesla to post earnings per share of around $0.56, down 22% from Q3 2024’s $0.72 per share. Tesla’s revenue is forecasted to rise 5.4% to $26.54 billion, as noted in an Investor.com report.
On the other hand, Sharp consensus, which tracks analyst revision trends, predicts Tesla to post earnings of $0.57 per share and revenue totaling $28.31 billion.
Other key results
Tesla highlighted the following Q3 results in its Update Letter.
As per Tesla, it is stil profitable with $1.6 billion GAAP operating income, $1.4 billion GAAP net income, and $1.8 billion non-GAAP net income. By the end of the third quarter, Tesla had an operating cash flow of $6.2 billion and record free cash flow of nearly $4.0 billion.
Tesla’s total revenue increased 12% YoY to $28.1 billion, while operating income decreased 40% YoY to $1.6 billion. This means that for Q3 2025, Tesla’s had a 5.8% operating margin. Tesla’s quarter-end cash, cash equivalents and investments were at $41.6 billion by the end of the third quarter.
Tesla’s Q3 2025 Update Letter
News
Tesla’s new Safety Report shows Autopilot is nine times safer than humans
Tesla released its Vehicle Safety Report for Q3 2025, and it showed that one crash was recorded every 6.36 million miles drive in which drivers were using Autopilot technology.

Tesla’s new Safety Report for Q3 shows Autopilot technology contributed to accident frequency that was nine times lower than the national average.
Tesla released its Vehicle Safety Report for Q3 2025, and it showed that one crash was recorded every 6.36 million miles drive in which drivers were using Autopilot technology.
This is a stark contrast from the most recent data made available by the National Highway Traffic Safety Administration (NHTSA) and Federal Highway Administration (FHWA), which shows there is an automobile crash approximately every 702,000 miles.
Autopilot & FSD Supervised safety data
In Q3 2025, we recorded 1 crash for every 6.36 million miles driven in which drivers were using Autopilot technology
By comparison, the most recent data available from NHTSA & FHWA (from 2023) shows that in the United States there was an… pic.twitter.com/8isNe7X4vg
— Tesla (@Tesla) October 22, 2025
The figure for Q3 2025 is slightly lower than the one that Tesla released in Q3 2024, which eclipsed 7 million miles between accidents for drivers using Autopilot technology.
Over the past seven quarters, Q1 has been Tesla’s strongest showing with the Vehicle Safety Report, with Q4 being the weakest. This is usually attributed to weather and driving conditions deteriorating toward the end of the year.
Q1 2024 was Tesla’s best performance so far, with one crash every 7.63 million miles.
Autopilot and Full Self-Driving have been a major focus of Tesla over the past few years, and recent versions have improved on what has already proven to be an extremely safe way to travel, as long as it is used correctly.
Tesla’s Full Self-Driving (Supervised) suite is a suitable way to allow the vehicle to navigate through any traffic setting and has been widely effective for day-to-day travel. With the data Tesla gets from its use across its vehicle fleet, it gets more refined and more accurate with every passing mile.
The company has teased the potential for completely unsupervised Full Self-Driving releases in the future, but Tesla has to solve autonomy before it can offer anything like that to the public.
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