The reason why roof racks bars so expensive is that the premium and sturdy materials that can last for up to 5-7 years. Additionally, their efficient aerodynamic design is another factor that contributes to their expensive cost. The price of a high-end roof rack for cars can reach thousands of dollars. The BougeRV roof rack cross bars are designed to be compatible with universal, making them suitable for use on any vehicle that has either separate rails or integrated rails with grooves. You can get one universal roof rack at the price of $189.