Double-glazed side windows, also known as double-pane windows, have been the preferred solution of premium car manufacturers for many years to make the cabins of luxury cars quieter-it is basically the same technology used by windshields. There you have some vinyl tempered glass sandwiched between two panes. 

And because automakers use it so frequently today (it is even used in some non-premium cars, at least in Europe, such as the Citroen C5 and its Peugeot 407 cousin in the mid-2000s), it will definitely make a significant difference. Bar? Therefore, this should be the case for the Tesla Model Y (it currently uses double laminated glass for the front side windows).

The first major update of Model Y got double-glazed side windows, but how different is it really? Well, this is exactly what EveryAmp / The Artists fka LivingTesla set out to discover, by comparing Model Y with single-pane and double-glazed side glass. He tested the two cars in three different scenarios to best measure the difference: a 50 mph rough road, a 50 mph flat road, and then a 70 mph highway test.

What’s particularly cool about this video is the chart, which can give a good visual indication of the difference between the two cars. In addition, as the video host pointed out, he chose not to use a decibel meter, but to use a dual microphone recording device, and then calculate the difference in this way.

This must be one of the more scientific videos, and the results do show that the use of double glazing will definitely make a difference. Once you see the very detailed explanation provided, you may see the idea of ​​using a decibel meter to measure the noise level inside a car.

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Source: EveryAmp / The Artists fka LivingTesla