A 1977 Rolls-Royce Silver Shadow I with extremely low mileage—about 604 miles since new—sells at auction for more than double its estimated market value, according to reports. The car is described as a time-warp example that has remained in near-original condition due to its limited use. Coverage notes that the result is significant within the model’s public-auction history. Specifically, the sale is reported to make it the most expensive Silver Shadow I ever to appear at public auction among non-celebrity owners. The articles characterize the outcome as an example of strong interest in low-mileage, well-preserved classic vehicles, particularly high-end Rolls-Royce models. No additional details about the winning bidder, sale location, or exact price are provided in the provided excerpts, but the sources agree on the core elements: the vehicle’s low mileage, the auction setting, and the sale price exceeding expectations, along with its record status for the category mentioned.