Original Ram Air III: 1970 Pontiac Trans Am (opens in new tab)

When assessing the future worth of a classic as a long-term investment, original mechanical components are a prime consideration. This 1970 Pontiac Trans Am ticks that box, with its engine bay housing its numbers-matching 400ci Ram Air V8. It presents nicely following a repaint several decades ago, and is a turnkey proposition for its new...