Do Cars With a Dark Interior Really Get Hotter in the Sun?

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Author: Devin Pratt
Date: July 2, 2023

Link: https://www.consumerreports.org/cars/car-safety/do-cars-with-dark-interiors-get-hotter-in-the-sun-a6491490288/

“Consumer Reports’ test engineers took two cars, one with a light-colored exterior and light-colored interior, and the other with a dark exterior and dark interior, and parked them both outside,” says Mike Monticello, CR’s road-test manager. “The temperature initially inside both cars was 78° F. Within an hour, they were both over 100° F. The darker car did get a little bit hotter, but only by a few degrees. And that was only after an hour, so think about how hot these cars would get for an even longer period of time.”

A light-colored interior is going to be slightly cooler, but when you’re talking over 100° F inside, it’s really hot either way. Parents and pet owners should be aware that a car can heat up to dangerous levels even when it isn’t the middle of summer.

Analysis:

I found this article to be very interesting because I thought a dark interior would raise the temperature inside a vehicle. Knowing that the interior’s color doesn’t affect how safe groceries will be in a car, I wonder if certain materials hold heat differently. I was curious about both the color and material’s effect on the safety of groceries, being that this information could change what colors/materials I consider using in my solution.