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SpaceX Starship test tank set for destructive finale after ‘cryo proof’
SpaceX’s fourth Starship test tank is set for a destructive finale after completing a “cryo proof” pressure test on Thursday.
SpaceX’s newest Starship test tank – SN7.1 – is the second in a series of two planned prototypes, both designed to test the viability of using a new steel alloy to build future Starships and Super Heavy boosters. CEO Elon Musk says that SpaceX is technically customizing its own steel alloy for Starship production but Musk’s comments and the results from SN7 testing in June 2020 point towards an offshoot of 304L with minor metallurgical tweaks.
Prior to SN7’s test campaign, Musk revealed that the main goal of the new alloy was to reduce the brittleness of Starship tanks and any adjacent steel components under cryogenic conditions (i.e. extreme cold). Ultimately, SN7 appeared to confirm that the new alloy’s behavior was far more forgiving under cryogenic loads, reaching what were believed to be record pressures before the tank finally burst on June 24th.
Following in SN7’s footsteps, SN7.1 is much closer to an actual Starship prototype.
“SN7.1 is significantly more complex than its sibling and will test a ~304L Raptor mount (thrust puck) and skirt section. The forces and general conditions those new parts will be subjected to are substantially different than most of what SN7 was subjected to, meaning that there is a chance that 304L steel is actually worse in some scenarios.
With any luck, though, SN7.1’s test campaign – scheduled to begin as early as 9pm CDT (UTC-5), September 10th – will be a flawless success, proving that SpaceX’s new steel alloy is superior to 301 for all Starship-related applications. If that’s the case, Starship SN8 – the first full new-alloy prototype – will likely be fully outfitted with a nosecone and header tanks before beginning acceptance testing later this month.”
Teslarati.com — September 10th, 2020
For SN7.1, increased ductility could theoretically be a mixed bag. Assuming SpaceX has also built the thrust puck out of 304L-adjacent steel, it may end up being too squishy under the extreme forces it will be subjected to. At full throttle, the thrust of three Raptor engines will compress the thrust puck – a cone with dimensions roughly the same as a large circular table – with the equivalent force of a ~600 metric ton (1.3 million lb) weight.
On September 10th, SpaceX put SN7.1 through its paces, performing a cryogenic proof test with liquid nitrogen (LN2) while the tank was still installed on the simple steel frame used to support it during production and transport. That simple decision offers a brief glimpse at the extensive planning that allows SpaceX to optimize for speed and efficiency while still conducting successful tests. While SpaceX could have technically installed SN7.1 directly onto a brand new launch mount custom-built for the exact kind of testing expected, the company instead left the tank on its build stand – much cheaper and far easier to replace than the former.
Technically, moving directly to the launch mount would have slightly simplified the test process, but a tank rupture during a routine cryogenic proof test could have extensively damaged or destroyed the mount, requiring weeks of work to build a full replacement. After SN7.1 successfully completed a cryogenic pressure test on September 10th, SpaceX simply lifted it off its work stand and installed it on a custom-built launch mount.
As early as 9pm CDT (UTC-5) on September 14th, SpaceX will once again load SN7.1 with liquid nitrogen. This time around, the tank – after reaching flight pressures of 7.5 to 8+ bar (110-120+ psi) – will be subjected to the simulated thrust of three Raptor engines by a series of hydraulic rams. Based on a public schedule of road closures, at least two tests are planned. The first will likely put SN7.1 through a range of Raptor thrust scenarios and profiles under the same tank pressures needed for orbital Starship flights. If that test is successful, SpaceX may move SN7.1 back to its work stand before intentionally pressurizing the tank until it bursts sometime around September 17th.
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Elon Musk
Tesla scrambles after Musk sidekick exit, CEO takes over sales
Tesla CEO Elon Musk is reportedly overseeing sales in North America and Europe, Bloomberg reports.

Tesla scrambled its executives around following the exit of CEO Elon Musk’s sidekick last week, Omead Afshar. Afshar was relieved of his duties as Head of Sales for both North America and Europe.
Bloomberg is reporting that Musk is now overseeing both regions for sales, according to sources familiar with the matter. Afshar left the company last week, likely due to slow sales in both markets, ending a seven-year term with the electric automaker.
Tesla’s Omead Afshar, known as Elon Musk’s right-hand man, leaves company: reports
Afshar was promoted to the role late last year as Musk was becoming more involved in the road to the White House with President Donald Trump.
Afshar, whose LinkedIn account stated he was working within the “Office of the CEO,” was known as Musk’s right-hand man for years.
Additionally, Tom Zhu, currently the Senior Vice President of Automotive at Tesla, will oversee sales in Asia, according to the report.
It is a scramble by Tesla to get the company’s proven executives over the pain points the automaker has found halfway through the year. Sales are looking to be close to the 1.8 million vehicles the company delivered in both of the past two years.
Tesla is pivoting to pay more attention to the struggling automotive sales that it has felt over the past six months. Although it is still performing well and is the best-selling EV maker by a long way, it is struggling to find growth despite redesigning its vehicles and launching new tech and improvements within them.
The company is also looking to focus more on its deployment of autonomous tech, especially as it recently launched its Robotaxi platform in Austin just over a week ago.
However, while this is the long-term catalyst for Tesla, sales still need some work, and it appears the company’s strategy is to put its biggest guns on its biggest problems.
News
Tesla upgrades Model 3 and Model Y in China, hikes price for long-range sedan
Tesla’s long-range Model 3 now comes with a higher CLTC-rated range of 753 km (468 miles).

Tesla has rolled out a series of quiet upgrades to its Model 3 and Model Y in China, enhancing range and performance for long-range variants. The updates come with a price hike for the Model 3 Long Range All-Wheel Drive, which now costs RMB 285,500 (about $39,300), up RMB 10,000 ($1,400) from the previous price.
Model 3 gets acceleration boost, extended range
Tesla’s long-range Model 3 now comes with a higher CLTC-rated range of 753 km (468 miles), up from 713 km (443 miles), and a faster 0–100 km/h acceleration time of 3.8 seconds, down from 4.4 seconds. These changes suggest that Tesla has bundled the previously optional Acceleration Boost for the Model 3, once priced at RMB 14,100 ($1,968), as a standard feature.
Delivery wait times for the long-range Model 3 have also been shortened, from 3–5 weeks to just 1–3 weeks, as per CNEV Post. No changes were made to the entry-level RWD or Performance versions, which retain their RMB 235,500 and RMB 339,500 price points, respectively. Wait times for those trims also remain at 1–3 weeks and 8–10 weeks.
Model Y range increases, pricing holds steady
The Model Y Long Range has also seen its CLTC-rated range increase from 719 km (447 miles) to 750 km (466 miles), though its price remains unchanged at RMB 313,500 ($43,759). The model maintains a 0–100 km/h time of 4.3 seconds.
Tesla also updated delivery times for the Model Y lineup. The Long Range variant now shows a wait time of 1–3 weeks, an improvement from the previous 3–5 weeks. The entry-level RWD version maintained its starting price of RMB 263,500, though its delivery window is now shorter at 2–4 weeks.
Tesla continues to offer several purchase incentives in China, including an RMB 8,000 discount for select paint options, an RMB 8,000 insurance subsidy, and five years of interest-free financing for eligible variants.
News
Tesla China registrations hit 20.7k in final week of June, highest in Q2
The final week of June stands as the second-highest of 2025 and the best-performing week of the quarter.

Tesla China recorded 20,680 domestic insurance registrations during the week of June 23–29, marking its highest weekly total in the second quarter of 2025.
The figure represents a 49.3% increase from the previous week and a 46.7% improvement year-over-year, suggesting growing domestic momentum for the electric vehicle maker in Q2’s final weeks.
Q2 closes with a boost despite year-on-year dip
The strong week helped lift Tesla’s performance for the quarter, though Q2 totals remain down 4.6% quarter-over-quarter and 10.9% year-over-year, according to industry watchers. Despite these declines, the last week of June stands as the second-highest of 2025 and the best-performing week of the quarter.
As per industry watchers, Tesla China delivered 15,210 New Model Y units last week, the highest weekly tally since the vehicle’s launch. The Model 3 followed with 5,470 deliveries during the same period. Tesla’s full June and Q2 sales data for China are expected to be released by the China Passenger Car Association (CPCA) in the coming days.
Tesla China and minor Model 3 and Model Y updates
Tesla manufactures the Model 3 and Model Y at its Shanghai facility, which provides vehicles to both domestic and international markets. In May, the automaker reported 38,588 retail sales in China, down 30.1% year-over-year but up 34.3% from April. Exports from Shanghai totaled 23,074 units in May, a 32.9% improvement from the previous year but down 22.4% month-over-month, as noted in a CNEV Post report.
Earlier this week, Tesla introduced minor updates to the long-range versions of the Model 3 and Model Y in China. The refreshed Model 3 saw a modest price increase, while pricing for the updated Model Y Long Range variant remained unchanged. These adjustments come as Tesla continues refining its China lineup amid shifting local demand and increased competition from domestic brands.
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