There are several differences between the Model Y Long Range and Model Y Performance versions. So, Model Y Performance owners can count on more dynamic acceleration and higher top speed, although these figures are more of a software limitation. The difference is also manifested in the size of the wheels and the performance of the brakes. These are physical differences.
The larger Brembo brakes are arguably the most significant upgrade for the extra money Tesla is asking to upgrade to a performance version. However, it turned out that Tesla degraded the brakes in the Model Y Performance and did it in a very cunning and secret (if not fraudulent) way. The changes were revealed and exposed by ZEV Centric, a company that produces accessories for Tesla cars.
ZEV Centric has worked with a variety of customer Model Y vehicles and its own vehicles, and in the process identified brake changes. These were cars of different years of production.
The Performance upgrade for the Model Y features a Brembo rear caliper and a 2mm thicker rotor with additional ventilation features. The company revealed that around September, Tesla began replacing that Brembo caliper (right) with a new Mando brake (left).
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In addition, according to ZEV Centric, the rotor has become 2 mm thinner, that is, it has also undergone a downgrade.
Brake experts at ZEV Centric think this is a significant deterioration. The company believes that Tesla should provide them with Brembo brakes, since this change was not specified in the Tesla Model Y configurator.
Note that this is not the first price reduction undertaken by Tesla to reduce costs. The company has previously removed some available features and functionality from its vehicles, including passenger seat lumbar support controls and ultrasonic sensors.