1966-present Plymouth Barracuda 1966 Plymouth Barracuda Sport Coupe vs Plymouth Barracuda III (facelift 1971) - Market Data Comparison

At the median, the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) sits at $40,000 and the Plymouth Barracuda (III (facelift 1971)) sits at $24,200. That makes the Plymouth Barracuda (III (facelift 1971)) the lower-cost entry point by $15,800, or 39.5% relative to the pricier Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe). Its typical sold band sits between $25,644 and $68,200, which is usually a better guide than chasing the headline high sale. Its typical sold band sits between $14,782 and $39,000, which is usually a better guide than chasing the headline high sale.

The full observed range also matters. The lowest recorded sale on this surface is $118 for the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) and $59 for the Plymouth Barracuda (III (facelift 1971)), while the highest sales reach $750,000 and $1,320,000 respectively. The middle of the market still overlaps, with both cars sharing a realistic trading zone around $25,644 to $39,000. That matters because it tells you the decision is not only about the record-setting examples at the top of the market. In practice, that means buyers should read the median as the anchor, use the P25-P75 band as the realistic shopping lane, and treat the top-end outliers as evidence of exceptional cars rather than everyday pricing.

By the numbers, the Plymouth Barracuda (III (facelift 1971)) has the deeper transaction record with 475 sold results against 350 for the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe). That larger sample usually makes the market easier to benchmark because there is more evidence behind every median and range estimate. The Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) is also the busier recent market, posting 44 sold results from 56 tracked outcomes in the last 12 months, versus 40 from 59 for the Plymouth Barracuda (III (facelift 1971)).

Unsold rate adds the market-health layer that raw sold counts miss. The Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) posts an unsold rate of 12.6%, while the Plymouth Barracuda (III (facelift 1971)) is at 18.8%. Lower is generally healthier because it means a larger share of listings actually clear reserve. That signal looks even stronger when you combine it with source breadth: the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) currently draws from Acc Auctions, Barrett-Jackson, and Bring a Trailer, plus 7 other auction houses, and the Plymouth Barracuda (III (facelift 1971)) draws from Acc Auctions, Barrett-Jackson, and Bring a Trailer, plus 8 other auction houses. In Turbopedia's liquidity grading, the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) reads as deep and the Plymouth Barracuda (III (facelift 1971)) reads as deep, which helps explain whether a market feels deep, active, or still relatively thin.

If affordability is the main constraint, the raw numbers favor the Plymouth Barracuda (III (facelift 1971)). If resale flexibility matters more, the Plymouth Barracuda (III (facelift 1971)) has the stronger liquidity case because it has the larger sold sample and a more established benchmark set. Its lower unsold rate also suggests buyers and sellers are meeting more cleanly in public auctions.

On the recent trend signal, the Plymouth Barracuda (1966 Plymouth Barracuda Sport Coupe) is firmer. Its median sits 9.3% above the prior 12-month median, while the Plymouth Barracuda (III (facelift 1971)) is at -38.6% over the same comparison window. That can hint at momentum, but it is not a forecast and it should never be read as investment advice by itself. Numbers don't capture condition, provenance, or personal preference. A cheaper car can be the better value and still be the worse fit for a specific buyer, while the pricier market can justify itself if the car's story, originality, and buyer demand are materially stronger.