Germany vs UK — 1948 vs 1957
| 356 Speedster | XKSS | |
|---|---|---|
| Horsepower | 70 hp | 262 hp |
| Torque | 75 lb-ft | 240 lb-ft |
| Engine Size | 1,582 cc | 3,442 cc |
| 0-60 mph | 13.5 sec | 5.2 sec |
| Top Speed | 100 mph | 149 mph |
| ¼ Mile | 18.5 sec | 13.2 sec |
| Weight | 1,852 lbs | 2,249 lbs |
| Wheelbase | 2,100 mm | 2,286 mm |
| Length | 3,950 mm | 3,912 mm |
| Units Produced | 4,145 | 16 |
| Original MSRP | $2,995 | $6,900 |
| Value (Excellent) | $700,000 | $18,000,000 |
| Collectibility | 10/10 | 10/10 |
| Rarity | 7/10 | 10/10 |
The 1957 Jaguar XKSS emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster counters with lighter weight, 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.
Putting the 1948 Porsche 356 Speedster against the 1957 Jaguar XKSS is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus UK. The 1957 Jaguar XKSS holds a clear advantage in raw power with 262 hp compared to 70 hp, a 192-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 356 uses a Flat-4 OHV air-cooled displacing 1,582 cc, while the Jaguar XKSS relies on a Inline-6 DOHC (XK) with 3,442 cc. In the sprint to 60 mph, the 1957 Jaguar XKSS edges ahead at 5.2 seconds versus 13.5 seconds. The Porsche 356 carries a weight advantage, tipping the scales 397 lbs lighter. Rarity plays a significant role here — with only 16 units built, the 1957 Jaguar XKSS is considerably scarcer than the Porsche 356's 4,145 examples. On the collector market, the 1957 Jaguar XKSS commands a significant premium over the 1948 Porsche 356 Speedster, reflecting differences in prestige and rarity.