The Schnauzer is a popular dog breed that comes in many different colors. However, the price of a Schnauzer usually does not change significantly based on coat color, except in special circumstances, such as a very high rating in a competition or a rare coat color.
Although different coat colors may have an impact on market demand, it does not necessarily mean that a certain color will be more expensive. In general, the price of a Schnauzer depends on many factors, including breed, bloodline, health, age and gender, not just on coat color.
In addition, it should be noted that if someone offers you a Schnauzer of a certain coat color at a price that is much higher than other dogs of the same breed, then this is likely to be unfair and you should carefully consider whether to buy this dog.