Triumph TR6

vs

Triumph Stag

UK vs UK — 1968 vs 1970

Triumph TR6 (1968)
Triumph Stag (1970)
Specifications
TR6 PI (Fuel Injection)Stag V8
Horsepower150 hp145 hp
Torque165 lb-ft176 lb-ft
Engine Size2,498 cc2,997 cc
0-60 mph8.2 sec9.3 sec
Top Speed120 mph117 mph
¼ Mile16.0 sec17.0 sec
Weight2,463 lbs2,685 lbs
Wheelbase2,235 mm2,540 mm
Length3,962 mm4,394 mm
Units Produced91,85025,939
Original MSRP$3,595$5,500
Value (Excellent)$65,000$45,000
Collectibility7/107/10
Rarity4/106/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1968 Triumph TR6 PI (Fuel Injection) excels in quicker acceleration, higher top speed, lighter weight, while the 1970 Triumph Stag V8 stands out for greater rarity, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

The 1968 Triumph TR6 PI (Fuel Injection) and 1970 Triumph Stag V8 share a manufacturer in Triumph, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Triumph brand. On paper, the two are remarkably close in power output, with the 1968 Triumph TR6 PI (Fuel Injection) producing 150 hp and the 1970 Triumph Stag V8 delivering 145 hp. Under the hood, the contrast is notable: the Triumph TR6 uses a Inline-6 OHV displacing 2,498 cc, while the Triumph Stag relies on a V8 SOHC with 2,997 cc. In the sprint to 60 mph, the 1968 Triumph TR6 PI (Fuel Injection) edges ahead at 8.2 seconds versus 9.3 seconds. The Triumph TR6 carries a weight advantage, tipping the scales 222 lbs lighter. Rarity plays a significant role here — with only 25,939 units built, the 1970 Triumph Stag V8 is considerably scarcer than the Triumph TR6's 91,850 examples.