ΔE 15.0, fair: the same colour family, but not a straight swap. Schokobraun RAL 8017 is a little darker, more muted, warmer than Grape Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Schokobraun RAL 8017 is a little darker, more muted, warmer than Grape Red.
The same difference applies the other way round: Grape Red is a little lighter, 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 Grape Red on the colour wheel See Schokobraun RAL 8017 on the colour wheel
All matches: Grape Red equivalents · Schokobraun RAL 8017 equivalents