UK vs UK — 1957 vs 1955
| XK150 S 3.8 | Mk1 3.4 | |
|---|---|---|
| Horsepower | 265 hp | 210 hp |
| Torque | 260 lb-ft | 220 lb-ft |
| Engine Size | 3,781 cc | 3,442 cc |
| 0-60 mph | 7.3 sec | 9.9 sec |
| Top Speed | 133 mph | 120 mph |
| ¼ Mile | 15.0 sec | 17.0 sec |
| Weight | 3,050 lbs | 3,080 lbs |
| Wheelbase | 2,591 mm | 2,718 mm |
| Length | 4,470 mm | 4,572 mm |
| Units Produced | 888 | 17,349 |
| Original MSRP | $5,300 | $3,900 |
| Value (Excellent) | $400,000 | $100,000 |
| Collectibility | 9/10 | 7/10 |
| Rarity | 8/10 | 6/10 |
On balance, the 1957 Jaguar XK150 S 3.8 makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1955 Jaguar Mk1 3.4 counters with better value, and its appeal extends beyond mere numbers. Choose the 1957 Jaguar XK150 S 3.8 for outright capability, or the 1955 Jaguar Mk1 3.4 for a more distinctive ownership experience.
Jaguar has long offered a diverse lineup, and comparing the 1957 Jaguar XK150 S 3.8 with the 1955 Jaguar Mk1 3.4 highlights the breadth of the marque's engineering philosophy. The 1957 Jaguar XK150 S 3.8 holds a clear advantage in raw power with 265 hp compared to 210 hp, a 55-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1957 Jaguar XK150 S 3.8 edges ahead at 7.3 seconds versus 9.9 seconds. Rarity plays a significant role here — with only 888 units built, the 1957 Jaguar XK150 S 3.8 is considerably scarcer than the Jaguar Mk1's 17,349 examples. On the collector market, the 1957 Jaguar XK150 S 3.8 commands a significant premium over the 1955 Jaguar Mk1 3.4, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Jaguar XK150 S 3.8 rates higher among enthusiasts and auction houses.