1973 Triumph GT6 vs. 1978 Triumph TR7
To start off, 1978 Triumph TR7 is newer by 5 year(s). Which means there will be less support and parts availability for 1973 Triumph GT6. In addition, the cost of maintenance, including insurance, on 1973 Triumph GT6 would be higher. Both 1973 Triumph GT6 and 1978 Triumph TR7 are equipped with a 1,998 cc engine. In terms of performance, both vehicles can yield 104 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1978 Triumph TR7 weights approximately 128 kg more than 1973 Triumph GT6.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1978 Triumph TR7 (161 Nm @ 3500 RPM) has 3 more torque (in Nm) than 1973 Triumph GT6. (158 Nm @ 3000 RPM). This means 1978 Triumph TR7 will have an easier job in driving up hills or pulling heavy equipment than 1973 Triumph GT6.
Compare all specifications:
| 1973 Triumph GT6 | 1978 Triumph TR7 | |
| Make | Triumph | Triumph |
| Model | GT6 | TR7 |
| Year Released | 1973 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 104 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 158 Nm | 161 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 74.7 mm | 90.3 mm |
| Engine Stroke Size | 76 mm | 78 mm |
| Engine Compression Ratio | 8.8:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 920 kg | 1048 kg |
| Vehicle Length | 3790 mm | 4070 mm |
| Vehicle Width | 1450 mm | 1690 mm |
| Vehicle Height | 1200 mm | 1270 mm |
| Wheelbase Size | 2120 mm | 2170 mm |
| Fuel Tank Capacity | 63 L | 55 L |
