D2 is higher-end steel compared to 8Cr13MoV. D2 is a more expensive steel than 8Cr13MoV. D2 is a better knife if you're looking for a higher-end, sharper knife. If you want to get a cheap knife, go for 8Cr13MoV. D2 has more edge retention than 8Cr13MoV, but it is more expensive and less resistant to damage.