AMC has long offered a diverse lineup, and comparing the 1968 AMC AMX with the 1958 AMC Rambler American Scrambler 390 highlights the breadth of the marque's engineering philosophy. On paper, the two are remarkably close in power output, with the 1968 AMC AMX producing 315 hp and the 1958 AMC Rambler American Scrambler 390 delivering 315 hp. Under the hood, the contrast is notable: the AMC AMX uses a V8 OHV 16V displacing 6,393 cc, while the AMC Rambler American relies on a V8 OHV with 6,391 cc. In the sprint to 60 mph, the 1958 AMC Rambler American Scrambler 390 edges ahead at 6.3 seconds versus 6.6 seconds. Rarity plays a significant role here — with only 1,512 units built, the 1958 AMC Rambler American Scrambler 390 is considerably scarcer than the AMC AMX's 6,725 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1958 AMC Rambler American Scrambler 390 rates higher among enthusiasts and auction houses.