ΔE 8.0, close: similar, with a visible difference side by side. Sterling Silver is a little darker, more saturated than Super Silver.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sterling Silver is a little darker, more saturated than Super Silver.
The same difference applies the other way round: Super Silver is a little lighter, more muted.
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 Super Silver on the colour wheel See Sterling Silver on the colour wheel
All matches: Super Silver equivalents · Sterling Silver equivalents