For australian delivered models
Series 1 L-series all had colour coded interiors.
Series 2 L-series (87 on) all had grey interiors of different hues. Red, brown and champagne coloured models had reddish grey. light blue and white cars had bluish grey. The rarest are dark blue cars with plain grey interiors (see my avatar

DL models came mainly in white, beige and red, all with vinyl floors, as these were the barebones models. Vinyl was blue and reddish grey in series two.
Japanese models had additional things like full velour interiors (no vinyl at all), deeper pile carpets, very light grey (almost beige) and black interiors, and sports coloured interiors.