I think (hope) the trend of hiding engines under plastic convers may die out sometime soon. The new Audi A8 has none or very little plastic, the engine is fully visible. Our '98 A8 has the same 4.2 V8, but almost the whole thing is covered over.
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black