I drive a Chevrolet Silverado
That's so cool.  This is  a series of full-size and heavy-duty pickup trucks manufactured by General Motors and introduced in 1998 
What's the likely cost of the car?
Well, just like the price of every average truck out there. The name was  taken from a trim level previously used on its predecessor, the Chevrolet C/K pickup truck from 1975 through 1998.
When was te first commercial production?
, first used in 1987 for its variant of the GMT400 platform trucks.
The heavy-duty trucks are informally referred to as "Silverado HD" (and Sierra HD), while the light-duty version is referred simply to as "Silverado" (and Sierra). Perennially one of the best-selling vehicles in the United States, almost 12 million Silverados have been sold since its introduction.
History.
Although General Motors introduced its first pickup truck in 1930, the term "Silverado" was a
Chevrolet Silverado
The Chevrolet Silverado, and its mechanically identical cousin the GMC Sierra, are a series of full-size and heavy-duty pickup trucks manufactured by General Motors and introduced in 1998 as the successor to the long-running Chevrolet C/K line. The Silverado name was taken from a trim level previously used on its predecessor, the Chevrolet C/K pickup truck from 1975 through 1998. General Motors continues to offer a GMC-badged variant of the Chevrolet full-size pickup under the GMC Sierra name