The prices of most classic cars is getting out of control. And that's because people with a lot of money who want something tend to throw a lot of money at it. Just like expensive art collections, classic cars now follow the same trend.Last week, we found out that a '60s muscle car sold for millions. The sale took place at Mecum Indianapolis 2026, where lot S184 quickly became one of the most talked-about cars in the building. Parked among high-dollar classics and collector-grade muscle, this particular fastback drew an unusually steady crowd — not because it wore a Shelby badge, but because it represented something far rarer. Why The 1965 Shelby GT350R Is In A League Of Its Own MecumThis was a genuine 1965 Shelby GT350R, one of the most significant competition Mustangs ever built. With limited production, race-bred engineering, and a place near the top of Shelby Mustang history, the car arrived carrying enormous expectations. The only unknown was whether bidders would treat it like just another blue-chip collectible — or something far more valuable. When the hammer finally fell, the answer stunned everyone.MecumWhile the standard 1965 GT350 was already a hardcore performance version of Ford’s fastback Mustang, Shelby American built the R-model specifically for competition. These cars were stripped of unnecessary trim, fitted with roll cages, race-prepped suspension, competition exhaust systems, and lightweight components that made them genuine B-Production weapons on road courses.That purpose-built nature is exactly why collectors treat the GT350R as one of the most important Shelby variants ever produced. Built In Tiny Numbers, Then Lost To Time MecumPart of the GT350R’s mystique comes down to how few were actually made. Registry consensus places 1965 production somewhere between just 34 and 36 examples, making it one of the rarest Shelby competition cars of the era. Many were raced hard, crashed, modified, or dismantled over time — leaving only a few documented survivors. Cars with verified provenance, original competition history, and factory-correct components are exceptionally scarce. The Hammer Price Was Far Beyond Expectations MecumWhen bidding closed, lot S184 delivered one of the biggest surprises of Mecum Indianapolis 2026. The 1965 Shelby GT350R sold for an astonishing $2.5 million, making it one of the standout sales of the event and reinforcing just how aggressively elite collectors are still chasing historically important Shelby race cars. That figure significantly outpaced the values typically associated with standard GT350 street cars and pushed this example beyond the upper range many similar GT350Rs have brought in recent years. For a Mustang originally built to dominate race circuits, it just proved it can still dominate an auction floor.The GT350R represents Shelby American at its most focused — lightweight, uncompromising, and built purely for competition. Its rarity, racing history, and factory authenticity continue to make it one of the most respected Mustangs ever produced. Classic car prices keep climbing, and every so often, a sale comes along that feels almost unbelievable. It’s enough to make anyone think twice before junking an old car, because what looks worthless today could become a highly sought-after collectible decades from now — and possibly worth a very nice payday.