UK vs UK — 1968 vs 1973
| TR6 PI (Fuel Injection) | Dolomite Sprint | |
|---|---|---|
| Horsepower | 150 hp | 127 hp |
| Torque | 165 lb-ft | 129 lb-ft |
| Engine Size | 2,498 cc | 1,998 cc |
| 0-60 mph | 8.2 sec | 8.7 sec |
| Top Speed | 120 mph | 114 mph |
| ¼ Mile | 16.0 sec | 16.3 sec |
| Weight | 2,463 lbs | 2,250 lbs |
| Wheelbase | 2,235 mm | 2,489 mm |
| Length | 3,962 mm | 4,178 mm |
| Units Produced | 91,850 | 22,941 |
| Original MSRP | $3,595 | — |
| Value (Excellent) | $65,000 | $30,000 |
| Collectibility | 7/10 | 6/10 |
| Rarity | 4/10 | 6/10 |
It's a closely fought contest. The 1968 Triumph TR6 PI (Fuel Injection) brings more power, quicker acceleration, higher top speed to the table, and the 1973 Triumph Dolomite Sprint answers with lighter weight, greater rarity, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.
Triumph has long offered a diverse lineup, and comparing the 1968 Triumph TR6 PI (Fuel Injection) with the 1973 Triumph Dolomite Sprint highlights the breadth of the marque's engineering philosophy. The 1968 Triumph TR6 PI (Fuel Injection) holds a clear advantage in raw power with 150 hp compared to 127 hp, a 23-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph TR6 uses a Inline-6 OHV displacing 2,498 cc, while the Triumph Dolomite Sprint relies on a Inline-4 SOHC 16V with 1,998 cc. In the sprint to 60 mph, the 1968 Triumph TR6 PI (Fuel Injection) edges ahead at 8.2 seconds versus 8.7 seconds. The Triumph Dolomite Sprint carries a weight advantage, tipping the scales 213 lbs lighter. Rarity plays a significant role here — with only 22,941 units built, the 1973 Triumph Dolomite Sprint is considerably scarcer than the Triumph TR6's 91,850 examples. On the collector market, the 1968 Triumph TR6 PI (Fuel Injection) commands a significant premium over the 1973 Triumph Dolomite Sprint, reflecting differences in prestige and rarity.