UK vs United Kingdom — 1958 vs 1936
| TD21 | Speed 25 Vanden Plas Tourer | |
|---|---|---|
| Horsepower | — | 110 hp |
| Engine Size | 2,993 cc | 3,571 cc |
| Top Speed | — | 97 mph |
| Weight | — | 3,584 lbs |
| Wheelbase | — | 3,226 mm |
| Units Produced | — | 478 |
| Value (Excellent) | — | $300,000 |
| Collectibility | 5/10 | 8/10 |
| Rarity | 5/10 | 9/10 |
It's a closely fought contest. The 1958 Alvis TD21 brings its unique character 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 1958 Alvis TD21 with the 1936 Alvis Speed 25 Vanden Plas Tourer highlights the breadth of the marque's engineering philosophy. Both cars represent compelling choices in their respective segments. From a collectibility standpoint, the 1936 Alvis Speed 25 Vanden Plas Tourer rates higher among enthusiasts and auction houses.