Alvis TD21

vs

Alvis Speed 20/25

UK vs UK — 1962 vs 1932

Alvis TD21 (1962)
Alvis Speed 20/25 (1932)
Specifications
TD21 Series IISpeed 20/25 Vanden Plas Tourer
Horsepower130 hp110 hp
Torque166 lb-ft
Engine Size2,993 cc3,571 cc
Top Speed93 mph
Weight3,360 lbs
Wheelbase2,794 mm3,175 mm
Length4,750 mm4,572 mm
Units Produced1,680
Value (Excellent)$80,000$400,000
Collectibility5/108/10
Rarity10/108/10
The Verdict

This matchup is remarkably close. The 1962 Alvis TD21 Series II offers more power, better value, while the 1932 Alvis Speed 20/25 Vanden Plas Tourer counters with stronger collectibility. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

Within the Alvis stable, the 1962 Alvis TD21 Series II and 1932 Alvis Speed 20/25 Vanden Plas Tourer represent different approaches to performance and purpose. Both carry the Alvis badge, yet each carves out its own distinct identity. 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 20/25 relies on a Inline-6 OHV with 3,571 cc. From a collectibility standpoint, the 1932 Alvis Speed 20/25 Vanden Plas Tourer rates higher among enthusiasts and auction houses.