1971 AC 428 vs. 1976 Triumph TR7
To start off, 1976 Triumph TR7 is newer by 5 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 194 more horse power than 1976 Triumph TR7. (104 HP @ 5500 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1976 Triumph TR7. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 380 kg more than 1976 Triumph TR7. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 478 more torque (in Nm) than 1976 Triumph TR7. (161 Nm @ 3500 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1976 Triumph TR7.
Compare all specifications:
| 1971 AC 428 | 1976 Triumph TR7 | |
| Make | AC | Triumph |
| Model | 428 | TR7 |
| Year Released | 1971 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 104 HP |
| Engine RPM | 4600 RPM | 5500 RPM |
| Torque | 639 Nm | 161 Nm |
| Torque RPM | 2800 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1050 kg |
| Vehicle Length | 4430 mm | 4070 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1310 mm | 1270 mm |
| Wheelbase Size | 2450 mm | 2170 mm |
