I was trying to learn more about the problem as two of my colleagues were victims of relay attacks, allegedly. Stolen cars were Mazda and Kia. I found claims th

I was trying to learn more about the problem as two of my colleagues were victims of relay attacks, allegedly. Stolen cars were Mazda and Kia. I found claims that only Jaguars and Land Rovers have been resistant to that kind of attack thanks to precise time measurement - similar solution to your description. I don't have any links and found only [1] this one quickly. [1] https://teamtalk.jaguarlandrover.com/news/jaguar-land-rover-models-are-the-only-cars-immune-to-keyless-entry-attacks https://teamtalk.jaguarlandrover.com/news/jaguar-land-rover-...