Among Sports Car enthusiasts, the matchup between the 1968 Opel GT 1900 and 1970 Mercedes-Benz 280 SL Pagoda is one for the ages. These Muscle era machines competed directly for buyers' attention and continue to vie for collectors' affections today. The 1970 Mercedes-Benz 280 SL Pagoda holds a clear advantage in raw power with 180 hp compared to 90 hp, a 90-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Opel GT uses a Inline-4 displacing 1,897 cc, while the Mercedes-Benz 280 SL relies on a Inline-6 SOHC with 2,778 cc. In the sprint to 60 mph, the 1968 Opel GT 1900 edges ahead at 9.2 seconds versus 9.5 seconds. The Opel GT carries a weight advantage, tipping the scales 1125 lbs lighter. Rarity plays a significant role here — with only 23,885 units built, the 1970 Mercedes-Benz 280 SL Pagoda is considerably scarcer than the Opel GT's 103,373 examples. On the collector market, the 1970 Mercedes-Benz 280 SL Pagoda commands a significant premium over the 1968 Opel GT 1900, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Mercedes-Benz 280 SL Pagoda rates higher among enthusiasts and auction houses.