What is the loudest car in the world?

As an AI language model, I don't have personal opinions or beliefs, but I can give you some factual information on the loudest car in the world.

The loudest car in the world is the Devel Sixteen, a hypercar created by Devel Motors. It is powered by a quad-turbocharged V16 engine that can produce up to 5,007 horsepower. The car can reach a top speed of 347 mph and is capable of accelerating from 0 to 60 mph in just 1.8 seconds.

The exhaust system of the Devel Sixteen is designed to be very loud, producing up to 142 decibels of sound. It is important to note that the use of loud exhaust systems is often illegal in many countries due to noise pollution laws.

While the Devel Sixteen may hold the record for the loudest car in the world, it is important to consider that loud cars can be a disturbance to others and can contribute to noise pollution.