Slate Grey Porsche 912
The ultimate Hunter look. Slate Grey is the connoisseur's choice for a timeless 912 appearance.
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Expert Insights
Technical Specs
| Paint code | 6404 — Schiefergrau |
| Also known as | Slate Grey (EN) / Gris Ardoise (FR) |
| Available | 1965–1969 (all production years) |
| Interior pairing | Black or Red leatherette (most common) |
| Rarity | Low-volume factory colour order |
| Originality key | Paint code stamped on body tag (firewall) |
Hunter's Guide
Verifying authentic Slate Grey is the single most important step when evaluating one of these cars. Locate the body tag on the firewall and confirm paint code 6404. Many 912s have been repainted Slate Grey from other factory colours — a beautifully executed respray can fool the eye, but an unbroken VIN/body-tag chain does not lie. Check the door jambs, under the bonnet lid lip, and inside the luggage compartment for original paint remnants. Panel-to-panel colour consistency under differing light is your visual guide. Confirmed-original Slate Grey cars with undisturbed finish represent the absolute pinnacle of 912 collectibility.
Market View
Slate Grey is the most requested colour among serious 912 collectors, consistently topping wish lists on specialist forums. Demand reliably outstrips supply: confirmed-original examples are the first to sell and the last to be discounted. A documented, original-paint Schiefergrau 912 commands a 25–40 % premium over the same car in a common colour. Resprayed examples still carry a modest premium due to aesthetic desirability, but the gap between original and repainted has widened markedly in recent years.
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