UK vs UK — 1957 vs 1963
| TR3A | Herald 1200 Convertible | |
|---|---|---|
| Horsepower | 100 hp | 39 hp |
| Torque | 122 lb-ft | 55 lb-ft |
| Engine Size | 1,991 cc | 1,147 cc |
| 0-60 mph | 10.8 sec | 22.2 sec |
| Top Speed | 105 mph | 78 mph |
| ¼ Mile | 17.7 sec | — |
| Weight | 2,100 lbs | 1,848 lbs |
| Wheelbase | 2,235 mm | 2,311 mm |
| Length | 3,835 mm | 3,886 mm |
| Units Produced | 58,236 | 523,000 |
| Original MSRP | $2,625 | $1,699 |
| Value (Excellent) | $65,000 | $20,000 |
| Collectibility | 7/10 | 5/10 |
| Rarity | 4/10 | 3/10 |
On balance, the 1957 Triumph TR3A makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1963 Triumph Herald 1200 Convertible counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1957 Triumph TR3A for outright capability, or the 1963 Triumph Herald 1200 Convertible for a more distinctive ownership experience.
Triumph has long offered a diverse lineup, and comparing the 1957 Triumph TR3A with the 1963 Triumph Herald 1200 Convertible highlights the breadth of the marque's engineering philosophy. The 1957 Triumph TR3A holds a clear advantage in raw power with 100 hp compared to 39 hp, a 61-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph TR3A uses a Inline-4 OHV 8V displacing 1,991 cc, while the Triumph Herald relies on a Inline-4 OHV with 1,147 cc. In the sprint to 60 mph, the 1957 Triumph TR3A edges ahead at 10.8 seconds versus 22.2 seconds. The Triumph Herald carries a weight advantage, tipping the scales 252 lbs lighter. Rarity plays a significant role here — with only 58,236 units built, the 1957 Triumph TR3A is considerably scarcer than the Triumph Herald's 523,000 examples. On the collector market, the 1957 Triumph TR3A commands a significant premium over the 1963 Triumph Herald 1200 Convertible, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Triumph TR3A rates higher among enthusiasts and auction houses.