1977 Triumph TR7 vs. 1979 Triumph TR8
To start off, 1979 Triumph TR8 is newer by 2 year(s). Which means there will be less support and parts availability for 1977 Triumph TR7. In addition, the cost of maintenance, including insurance, on 1977 Triumph TR7 would be higher. At 3,532 cc (8 cylinders), 1979 Triumph TR8 is equipped with a bigger engine. In terms of performance, 1979 Triumph TR8 (155 HP) has 51 more horse power than 1977 Triumph TR7. (104 HP) In normal driving conditions, 1979 Triumph TR8 should accelerate faster than 1977 Triumph TR7. With that said, vehicle weight also plays an important factor in acceleration. 1977 Triumph TR7 weights approximately 230 kg more than 1979 Triumph TR8.
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.
Compare all specifications:
| 1977 Triumph TR7 | 1979 Triumph TR8 | |
| Make | Triumph | Triumph |
| Model | TR7 | TR8 |
| Year Released | 1977 | 1979 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 3532 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 155 HP |
| Engine Bore Size | 90.3 mm | 88.9 mm |
| Engine Stroke Size | 78 mm | 71.1 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1045 kg | 815 kg |
| Vehicle Length | 4070 mm | 4070 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1270 mm | 1270 mm |
| Wheelbase Size | 2170 mm | 2170 mm |
