UK vs United Kingdom — 1962 vs 1936
| TD21 Series II | Speed 25 Vanden Plas Tourer | |
|---|---|---|
| Horsepower | 130 hp | 110 hp |
| Engine Size | 2,993 cc | 3,571 cc |
| Top Speed | — | 97 mph |
| Weight | — | 3,584 lbs |
| Wheelbase | 2,794 mm | 3,226 mm |
| Length | 4,750 mm | — |
| Units Produced | — | 478 |
| Value (Excellent) | $80,000 | $300,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 10/10 | 9/10 |
It's a closely fought contest. The 1962 Alvis TD21 Series II brings more power, better value to the table, and the 1936 Alvis Speed 25 Vanden Plas Tourer answers with stronger collectibility. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
Alvis has long offered a diverse lineup, and comparing the 1962 Alvis TD21 Series II with the 1936 Alvis Speed 25 Vanden Plas Tourer highlights the breadth of the marque's engineering philosophy. The 1962 Alvis TD21 Series II holds a clear advantage in raw power with 130 hp compared to 110 hp, a 20-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Alvis TD21 uses a Inline-6 displacing 2,993 cc, while the Alvis Speed 25 relies on a Inline-6 OHV with 3,571 cc. On the collector market, the 1936 Alvis Speed 25 Vanden Plas Tourer commands a significant premium over the 1962 Alvis TD21 Series II, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1936 Alvis Speed 25 Vanden Plas Tourer rates higher among enthusiasts and auction houses.