ΔE 8.6, close: similar, with a visible difference side by side. Faded Red is more muted, warmer than Terracota.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Faded Red is more muted, warmer than Terracota.
The same difference applies the other way round: Terracota is more saturated, cooler.
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 Terracota on the colour wheel See Faded Red on the colour wheel
All matches: Terracota equivalents · Faded Red equivalents