RM Sotheby's will also auction this incredibly rare Aston Martin DP215, and it'll sell for an estimated $20 million to $25 million. The machine holds the honor of being the first car to break 300-kilometers per hour (186 miles per hour) at Le Mans. In fact, it shattered that speed by clocking 198.6 mph (320 kph) on the Mulsanne Straight in 1963.