Before you stop by a new or used car dealership, it is helpful to have a good idea of what your current car, truck, or SUV is worth. But whom can you trust to evaluate your used vehicle? How about Kelley Blue Book and the staff at BMW of Des Moines, who want you to use this quick and easy trade-in value estimator tool? We offer the Kelley Blue Book Value Your Trade-In to assist you in finding top value for your used car by giving you knowledge and confidence.The KBB Trade-In evaluation tool is one of the most trusted on the market for used car buyers and sellers. By giving you an estimated used car value based on objective, third party data, the tool takes all the assumption out of trading-in your current vehicle at our new BMW and used luxury car dealership.