UK vs Germany — 1948 vs 1955
| XK120 | 550 Spyder | |
|---|---|---|
| Horsepower | 180 hp | 110 hp |
| Torque | 195 lb-ft | 90 lb-ft |
| Engine Size | 3,442 cc | 1,498 cc |
| 0-60 mph | 10.0 sec | 8.5 sec |
| Top Speed | 120 mph | 137 mph |
| ¼ Mile | 17.5 sec | 16.0 sec |
| Weight | — | 1,300 lbs |
| Wheelbase | 2,591 mm | 2,100 mm |
| Length | 4,420 mm | 3,700 mm |
| Units Produced | 12,055 | 90 |
| Original MSRP | — | $6,500 |
| Value (Excellent) | $250,000 | $7,000,000 |
| Collectibility | 5/10 | 10/10 |
| Rarity | 5/10 | 10/10 |
The 1955 Porsche 550 Spyder emerges ahead in most objective measures, offering quicker acceleration, higher top speed, greater rarity. The 1948 Jaguar XK120 counters with more power, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
When UK engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1948 Jaguar XK120 and 1955 Porsche 550 Spyder embody their respective national automotive traditions while competing in the same arena. The 1948 Jaguar XK120 holds a clear advantage in raw power with 180 hp compared to 110 hp, a 70-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar XK120 uses a Inline-6 DOHC 12V displacing 3,442 cc, while the Porsche 550 Spyder relies on a Flat-4 DOHC 8V with 1,498 cc. In the sprint to 60 mph, the 1955 Porsche 550 Spyder edges ahead at 8.5 seconds versus 10.0 seconds. Rarity plays a significant role here — with only 90 units built, the 1955 Porsche 550 Spyder is considerably scarcer than the Jaguar XK120's 12,055 examples. On the collector market, the 1955 Porsche 550 Spyder commands a significant premium over the 1948 Jaguar XK120, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1955 Porsche 550 Spyder rates higher among enthusiasts and auction houses.