Tesla announced the Accident Data Report and its vehicles are clearly getting safer

Tesla released the Q3 and Q4 Accident Data Report with some new records. The company announced that,during Q4 2021, it recorded one crash for every 4.31 million miles driven in which drivers were using Autopilot technology (Autosteer and active safety features) – the best Q4 Performance ever.

Last quarter,for drivers who were not using Autopilot technology (no Autosteer and active safety features), it was recorded one crash for every 1.59 million miles driven. By comparison, NHTSA’s most recent data shows that in the United States there is an automobile crash every 484,000 miles.

For comparison purposes, the company noted that seasonality can affect crash rates from quarter to quarter, particularly in quarters where reduced daylight and inclement or wintry weather conditions are more common. To minimize seasonality as a variable, compare a quarter to the same quarter in prior years. Check the chart below comparing the same quarter (Q4) since 2018 with the AutoPilot Technology.

In the same quarter of 2020, Tesla registered one accident for every 3.45 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.05 million miles driven.

Comparing with 2019, Tesla registered one accident for every 3.07 million miles driven in which drivers had Autopilot engaged. For those driving without Autopilot but with our active safety features, we registered one accident for every 2.10 million miles driven. For those driving without Autopilot and without our active safety features, we registered one accident for every 1.64 million miles driven.

With the exception of Q3 2020 with the Autopilot Technology off, the 2021 results were better than a year earlier. However, it’s important to say that there are many external factors might significantly affect the results.

Regarding that, Tesla clarifies “We collect the amount of miles traveled by each vehicle with Autopilot active or in manual driving, based on available data we receive from the fleet, and do so without identifying specific vehicles to protect privacy. We also receive a crash alert anytime a crash is reported to us from the fleet, which may include data about whether Autopilot was active at the time of impact. To ensure our statistics are conservative, we count any crash in which Autopilot was deactivated within 5 seconds before impact, and we count all crashes in which the incident alert indicated an airbag or other active restraint deployed. (Our crash statistics are not based on sample data sets or estimates.) In practice, this correlates to nearly any crash at about 12 mph (20 kph) or above, depending on the crash forces generated. On the other hand, police-reported crashes from government databases are notoriously under-reported, by some estimates as much as 50%, in large part because most minor crashes (like “fender benders”) are not investigated. We also do not differentiate based on the type of crash or fault. (For example, more than 35% of all Autopilot crashes occur when the Tesla vehicle is rear-ended by another vehicle.) In this way, we are confident that the statistics we share unquestionably show the benefits of Autopilot.”

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