Putting the 1966 Ginetta G15 Standard against the 1967 Porsche 911 S 2.0 is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Germany. The 1967 Porsche 911 S 2.0 holds a clear advantage in raw power with 160 hp compared to 51 hp, a 109-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ginetta G15 uses a Inline-4 OHV (Hillman Imp) displacing 875 cc, while the Porsche 911 S relies on a Flat-6 SOHC 12V with 1,991 cc. In the sprint to 60 mph, the 1967 Porsche 911 S 2.0 edges ahead at 7.6 seconds versus 14.5 seconds. The Ginetta G15 carries a weight advantage, tipping the scales 1171 lbs lighter. Rarity plays a significant role here — with only 830 units built, the 1966 Ginetta G15 Standard is considerably scarcer than the Porsche 911 S's 4,691 examples. On the collector market, the 1967 Porsche 911 S 2.0 commands a significant premium over the 1966 Ginetta G15 Standard, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1967 Porsche 911 S 2.0 rates higher among enthusiasts and auction houses.