50 Incredible Facts About the P-51 Mustang

50. It cost $50,000 to produce a P-51 in 1944. Adjusted for inflation, that equals about $673,000 today. But for what was arguably the best all-around fighter in World War II, the price was worth the outcome. The P-51 Mustang was one of the last piston-engine fighters to be manufactured and will go down as one of the best United States aerial attack weapons ever. Here are 50 Incredible Facts About the P-51 Mustang.