1978 Triumph TR7 vs. 1971 Triumph 1500
To start off, 1978 Triumph TR7 is newer by 7 year(s). Which means there will be less support and parts availability for 1971 Triumph 1500. In addition, the cost of maintenance, including insurance, on 1971 Triumph 1500 would be higher. At 1,998 cc (4 cylinders), 1978 Triumph TR7 is equipped with a bigger engine. In terms of performance, 1978 Triumph TR7 (106 HP @ 5500 RPM) has 46 more horse power than 1971 Triumph 1500. (60 HP @ 5000 RPM). In normal driving conditions, 1978 Triumph TR7 should accelerate faster than 1971 Triumph 1500. With that said, vehicle weight also plays an important factor in acceleration. 1978 Triumph TR7 weights approximately 80 kg more than 1971 Triumph 1500. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (162 Nm @ 3500 RPM) has 52 more torque (in Nm) than 1971 Triumph 1500. (110 Nm @ 2700 RPM). This means 1978 Triumph TR7 will have an easier job in driving up hills or pulling heavy equipment than 1971 Triumph 1500.
Compare all specifications:
| 1978 Triumph TR7 | 1971 Triumph 1500 | |
| Make | Triumph | Triumph |
| Model | TR7 | 1500 |
| Year Released | 1978 | 1971 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1493 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 106 HP | 60 HP |
| Engine RPM | 5500 RPM | 5000 RPM |
| Torque | 162 Nm | 110 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 90.3 mm | 73.7 mm |
| Engine Stroke Size | 78 mm | 87.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1045 kg | 965 kg |
| Vehicle Length | 4070 mm | 4120 mm |
| Vehicle Width | 1690 mm | 1570 mm |
| Vehicle Height | 1270 mm | 1380 mm |
| Wheelbase Size | 2170 mm | 2460 mm |
| Fuel Tank Capacity | 55 L | 63 L |
