ΔE 9.8, close: similar, with a visible difference side by side. Eshin Grey is a little darker, more muted than German Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Eshin Grey is a little darker, more muted than German Grey.
The same difference applies the other way round: German Grey is a little lighter, more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See German Grey on the colour wheel See Eshin Grey on the colour wheel
All matches: German Grey equivalents · Eshin Grey equivalents