Triumph GT6

vs

Porsche 911

UK vs Germany — 1966 vs 1973

Triumph GT6 (1966)
Porsche 911 (1973)
Specifications
GT6 Mk III911 2.7 RS Carrera
Horsepower104 hp210 hp
Torque116 lb-ft188 lb-ft
Engine Size1,998 cc2,687 cc
0-60 mph10.1 sec5.6 sec
Top Speed114 mph152 mph
¼ Mile17.2 sec14.1 sec
Weight1,949 lbs1,984 lbs
Wheelbase2,108 mm2,271 mm
Length3,784 mm4,147 mm
Units Produced40,9261,580
Original MSRP$3,100$11,000
Value (Excellent)$40,000$1,200,000
Collectibility6/1010/10
Rarity6/1010/10
The Verdict

The 1973 Porsche 911 2.7 RS Carrera emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1966 Triumph GT6 Mk III counters with better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.

Overview

When UK engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1966 Triumph GT6 Mk III and 1973 Porsche 911 2.7 RS Carrera embody their respective national automotive traditions while competing in the same arena. The 1973 Porsche 911 2.7 RS Carrera holds a clear advantage in raw power with 210 hp compared to 104 hp, a 106-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Triumph GT6 uses a Inline-6 OHV displacing 1,998 cc, while the Porsche 911 relies on a Flat-6 with 2,687 cc. In the sprint to 60 mph, the 1973 Porsche 911 2.7 RS Carrera edges ahead at 5.6 seconds versus 10.1 seconds. Rarity plays a significant role here — with only 1,580 units built, the 1973 Porsche 911 2.7 RS Carrera is considerably scarcer than the Triumph GT6's 40,926 examples. On the collector market, the 1973 Porsche 911 2.7 RS Carrera commands a significant premium over the 1966 Triumph GT6 Mk III, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1973 Porsche 911 2.7 RS Carrera rates higher among enthusiasts and auction houses.