ΔE 7.7, close: similar, with a visible difference side by side. Hull Red is a little lighter, more muted than RAL 8017 Rotbraun.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Hull Red is a little lighter, more muted than RAL 8017 Rotbraun.
The same difference applies the other way round: RAL 8017 Rotbraun is a little darker, 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 RAL 8017 Rotbraun on the colour wheel See Hull Red on the colour wheel
All matches: RAL 8017 Rotbraun equivalents · Hull Red equivalents