UK vs UK — 1948 vs 1954
| K1 | 100 S | |
|---|---|---|
| Horsepower | 85 hp | 132 hp |
| Torque | 200 lb-ft | 160 lb-ft |
| Engine Size | 3,622 cc | 2,660 cc |
| 0-60 mph | 12.0 sec | 10.3 sec |
| Top Speed | 85 mph | 110 mph |
| ¼ Mile | — | 17.8 sec |
| Weight | 2,240 lbs | 2,183 lbs |
| Wheelbase | 2,845 mm | 2,286 mm |
| Length | 4,013 mm | 3,912 mm |
| Units Produced | 151 | 3,924 |
| Original MSRP | — | $2,995 |
| Value (Excellent) | $125,000 | $95,000 |
| Collectibility | 7/10 | 8/10 |
| Rarity | 8/10 | 6/10 |
The 1954 Austin-Healey 100 S emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Allard K1 counters with greater rarity, 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.
The 1948 Allard K1 and 1954 Austin-Healey 100 S stand as two of the most notable Sports Car cars from Post-war. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1954 Austin-Healey 100 S holds a clear advantage in raw power with 132 hp compared to 85 hp, a 47-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Allard K1 uses a V8 Flathead displacing 3,622 cc, while the Austin-Healey 100 relies on a Inline-4 OHV with 2,660 cc. In the sprint to 60 mph, the 1954 Austin-Healey 100 S edges ahead at 10.3 seconds versus 12.0 seconds. Rarity plays a significant role here — with only 151 units built, the 1948 Allard K1 is considerably scarcer than the Austin-Healey 100's 3,924 examples. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference.