Apple Music may be available in Tesla’s new holiday update, but don’t expect the lossless audio quality that Apple Music subscribers enjoy… at least not yet.
Tesla owner and software developer Dan Burkland recently performed some tests on the audio quality that Tesla’s in-car streaming services TIDAL, Spotify, and now Apple Music stream at in the vehicle.
Burkland tested TIDAL previously on a different Tesla software version, but with Tesla’s ever-changing software and the rollout of the holiday update, he chose to run the tests again.
Setup and Songs Used to Test
He connected his Model Y to his home's WiFi network and used a DHCP reservation, which allowed him to have the vehicle use a specific IP address. He then installed ntopng on his OPNsense firewall to monitor traffic statistics for the vehicle. After zeroing out the host stats for the Model Y, he tested a total of nine songs, including “Purple Rain” by Prince, “Foreplay” by Boston, and “Kashmir” by Led Zeppelin.
Results
The results of Burkland’s tests concluded that TIDAL still offers the best listening experience. The average bitrate for TIDAL was ~1165 kbps. This isn’t entirely too shocking, as TIDAL has always championed the highest-quality audio streaming experience.
Surprisingly, Spotify’s audio quality came in ahead of Apple Music to nab second place. Burkland’s tests showed Spotify streaming at an average bitrate of ~157 kbps, while Apple Music came in at a subpar ~118 kbps.
Burkland added that he believes Apple Music is limiting bitrate for the in-car app, but a future update to Tesla’s software will hopefully resolve this. If Tesla can enable lossless streaming for Apple Music, it’ll give TIDAL a run for its money in high-fidelity streaming via the in-car app.
Check out some of Dan’s test results below, or for a complete list view his Reddit thread.
During their tests, they observed the same pattern across all songs, citing that a bunch of data rolled in at the beginning of the tests and then slowly trickled through. The low data rate for Apple Music appears to align with the company’s HE-AAC codec at 64 kbps.
“It appears to buffer most or even all of the song, then pause between tracks to do it again,” writes u/OverlyOptimisticNerd. “On average, I saw ~2MB per track, with ~1.7MB during the initial burst and ~0.3MB throughout the track. This is consistent with the HE-AAC standard, as most of these songs were a little over 3 minutes in length.”
While Apple Music may come in at the lowest average bitrate of all three services tested, it's important to note that it doesn't necessarily mean it has the lowest quality. Audio quality comes down to a variety of factors, some of which are, the bitrate, whether it's a variable rate, and the efficiency of the audio codec used.
Apple Music's HE-ACC codec is optimized for low-bandwidth applications meaning that it can outperform an ACC-encoded file in lower-bandwidth situations. In the real-world Apple Music in your Tesla should sound very similar to streaming music from Spotify, but not as good as TIDAL's offerings.
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Tesla’s much-anticipated official entry into the Indian market appears to be shifting to a higher gear, with recent reports from Business Standard (paywall) indicating that Tesla is now looking into establishing Gigafactory India. Business Standard points to Tesla exploring land options in Satara, Maharashtra.
Satara is about 250km (155 mi) from the Port of Mumbai, placing it in an excellent location to easily receive parts and materials from other countries, as well as ship completed vehicles elsewhere around the world. The potential facility is reportedly planned as a “Completely Knocked Down” or CKD assembly plant, which means that Tesla would import parts and then assemble them locally.
This is key to Tesla’s strategy in addressing India’s traditionally high import tariffs on fully built vehicles, which have been a major hurdle for Tesla in the past. This push aligns with India’s updated EV policy, which calls for reduced import duties on EVs priced at $35,000 USD or above for companies that commit to investing at least $500m USD in local manufacturing facilities between 2024 and 2027.
According to the report, Tesla is prepared to invest substantially more, with figures around $2-3 billion USD cited for a plant capable of doing final assembly on up to 500,000 vehicles. Tesla supposedly aims to roll out the first locally assembled vehicle from the facility no later than March 2026.
Building the Indian Foundation
Beyond just manufacturing plans, Tesla has been actively laying the groundwork for its future Indian operations. Tesla has reportedly finalized leases for its first showrooms in Mumbai and Delhi - two of the largest cities in India. An office space in Mumbai to headquarter Indian operations is also on that leasing list.
Tesla has also begun to hire its initial tranche of employees, with over 30 positions already posted. Tesla is also hiring Autopilot Vehicle Operators in several locations, indicating that Tesla intends to test at least the FSD suite in one of the most complex traffic situations around the world.
Elon Musk also confirmed that he plans to visit India and speak to the Indian Prime Minister, likely to broker a deal focusing on building out Tesla’s presence and bringing new technology to the country.
The road to India has not been without its complexities. Reports confirmed the resignation of Prashanth Menon, Tesla's India head, with oversight of Indian operations temporarily shifting to Tesla's China team. Furthermore, earlier discussions with potential joint venture partners, such as Hyderabad-based Megha Engineering for land acquisition, reportedly did not materialize, leading Tesla to explore other avenues and locations like Satara.
Despite all the setbacks, Tesla’s efforts indicate that they are more determined than ever to make a formal and official entry into the Indian market.
Tesla’s software updates often contain far more than the release notes show, whether they’re undocumented features or preparation for the next big thing. The 2025 Spring Update is no exception - it’s filled with undocumented changes and, of course, new, inaccessible code that points to upcoming features.
Tesla hacker greentheonly on X has been digging into update 2025.14 and found some intriguing additions and hints about what’s coming next, so let’s take a look.
Grok Incoming
New hidden UI elements have been found pointing towards the integration of a Grok-powered smart assistant for Teslas. This includes references to a “personality” button, just like the Grok app. Tesla is likely hard at work on an advanced conversational AI and integrating the ability to control your vehicle.
Grok is the smart assistant that’s expected to replace the ancient voice commands that are available today. However, expect anything beyond vehicle commands to require Tesla’s Premium Connectivity.
While none of these new elements are active just yet, it is a good indication that it is likely on its way quite soon.
Siren Detection UI Removed
Code related to user-facing elements for siren detection has now been removed. We’ve confirmed that the orange dot is still in place with the Spring Update, but elements related to future changes and a UI for siren detection have since been removed from the code base.
Removals don’t indicate much - Tesla could be refactoring the code while they’re working on this or have changed directions on how to implement a future.
Insights into the New Dashcam Viewer
More significantly, for users on HW3, Green reported that the newly improved Dashcam Viewer isn’t just an improved version of the video viewer, but it was built from the ground up, and it’s now web-based. This technical detail explains why the updated viewer is only rolling out to AMD Ryzen vehicles and not older, Intel-based vehicles. HTML-based apps are often quicker to develop but usually require more resources to perform smoothly, which may be why we’re seeing the Ryzen infotainment system requirement.
This likely means that the new Dashcam Viewer won’t arrive on Intel vehicles in a future update unless Tesla can optimize the viewer enough to perform adequately on the older hardware.
HW3 vehicles already missed out on the new B-pillar recording feature. While Green thinks it’s technically possible to bring this feature to HW3 cars, unknown technical issues are likely preventing it. Older HW3 vehicles without a USB port in the glovebox only include USB 2 ports, limiting bandwidth, which could be one of the reasons, among others.
New Key Types
Perhaps a hint at Tesla’s third-party Robotaxi fleet ambitions, Tesla is building out new types of keys.
Rider Keys: These new keys appear to be designed to allow designated riders to access vehicles that are operating in “fleet mode.” This functionality sounds very much like what will be needed to allow Robotaxi customers to access a vehicle temporarily while they’re being given a ride.
Pre-Delivery Keys: Another new key type found is “pre-delivery.” While we don’t have an exact purpose nailed down quite yet, we’re assuming this could potentially allow new owners limited access to their vehicles for inspection prior to officially accepting delivery.
That’s plenty of interesting stuff found in the 2025 Spring Update - and we’re excited to see even more in just a few short weeks once Tesla launches their Robotaxi network in Austin.
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