UK vs United Kingdom — 1967 vs 1973
| TR5 PI Fuel-Injected | Stag Mk II | |
|---|---|---|
| Horsepower | 150 hp | 145 hp |
| Torque | 165 lb-ft | 170 lb-ft |
| Engine Size | 2,498 cc | 2,997 cc |
| 0-60 mph | 8.8 sec | 9.3 sec |
| Top Speed | 122 mph | 116 mph |
| ¼ Mile | 16.5 sec | 17.2 sec |
| Weight | 2,342 lbs | 2,795 lbs |
| Wheelbase | 2,235 mm | 2,540 mm |
| Length | 3,962 mm | 4,445 mm |
| Units Produced | 2,947 | 25,877 |
| Original MSRP | $3,400 | $3,450 |
| Value (Excellent) | $90,000 | $45,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 7/10 | 10/10 |
The 1967 Triumph TR5 PI Fuel-Injected holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1973 Triumph Stag Mk II brings stronger collectibility, 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 1967 Triumph TR5 PI Fuel-Injected and 1973 Triumph Stag Mk II represent different approaches to performance and purpose. Both carry the Triumph badge, yet each carves out its own distinct identity. On paper, the two are remarkably close in power output, with the 1967 Triumph TR5 PI Fuel-Injected producing 150 hp and the 1973 Triumph Stag Mk II delivering 145 hp. Under the hood, the contrast is notable: the Triumph TR5 uses a Inline-6 OHV displacing 2,498 cc, while the Triumph Stag relies on a 3.0L V8 with 2,997 cc. In the sprint to 60 mph, the 1967 Triumph TR5 PI Fuel-Injected edges ahead at 8.8 seconds versus 9.3 seconds. The Triumph TR5 carries a weight advantage, tipping the scales 453 lbs lighter. Rarity plays a significant role here — with only 2,947 units built, the 1967 Triumph TR5 PI Fuel-Injected is considerably scarcer than the Triumph Stag's 25,877 examples. On the collector market, the 1967 Triumph TR5 PI Fuel-Injected commands a significant premium over the 1973 Triumph Stag Mk II, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1973 Triumph Stag Mk II rates higher among enthusiasts and auction houses.