UK vs UK — 1961 vs 1959
| TR4 IRS | Herald 13/60 Convertible | |
|---|---|---|
| Horsepower | 104 hp | 61 hp |
| Torque | 128 lb-ft | 74 lb-ft |
| Engine Size | 2,138 cc | 1,296 cc |
| 0-60 mph | 10.9 sec | 17.0 sec |
| Top Speed | 109 mph | 85 mph |
| ¼ Mile | 17.9 sec | 21.0 sec |
| Weight | 2,249 lbs | 1,848 lbs |
| Wheelbase | 2,235 mm | 2,311 mm |
| Length | 3,962 mm | 3,886 mm |
| Units Produced | 28,465 | 232,000 |
| Original MSRP | $2,800 | $1,900 |
| Value (Excellent) | $50,000 | $20,000 |
| Collectibility | 6/10 | 4/10 |
| Rarity | 4/10 | 4/10 |
The 1961 Triumph TR4 IRS holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1959 Triumph Herald 13/60 Convertible brings lighter weight, better value and remains a compelling choice for enthusiasts who value Triumph heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.
Within the Triumph stable, the 1961 Triumph TR4 IRS and 1959 Triumph Herald 13/60 Convertible represent different approaches to performance and purpose. Both carry the Triumph badge, yet each carves out its own distinct identity. The 1961 Triumph TR4 IRS holds a clear advantage in raw power with 104 hp compared to 61 hp, a 43-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1961 Triumph TR4 IRS edges ahead at 10.9 seconds versus 17.0 seconds. The Triumph Herald carries a weight advantage, tipping the scales 401 lbs lighter. Rarity plays a significant role here — with only 28,465 units built, the 1961 Triumph TR4 IRS is considerably scarcer than the Triumph Herald's 232,000 examples. On the collector market, the 1961 Triumph TR4 IRS commands a significant premium over the 1959 Triumph Herald 13/60 Convertible, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1961 Triumph TR4 IRS rates higher among enthusiasts and auction houses.