1964 Triumph TR4 vs. 1962 Triumph Herald
To start off, 1964 Triumph TR4 is newer by 2 year(s). Which means there will be less support and parts availability for 1962 Triumph Herald. In addition, the cost of maintenance, including insurance, on 1962 Triumph Herald would be higher. At 2,138 cc (4 cylinders), 1964 Triumph TR4 is equipped with a bigger engine. In terms of performance, 1964 Triumph TR4 (100 HP @ 4700 RPM) has 62 more horse power than 1962 Triumph Herald. (38 HP @ 4500 RPM). In normal driving conditions, 1964 Triumph TR4 should accelerate faster than 1962 Triumph Herald. With that said, vehicle weight also plays an important factor in acceleration. 1964 Triumph TR4 weights approximately 185 kg more than 1962 Triumph Herald. 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, 1964 Triumph TR4 (172 Nm @ 3350 RPM) has 89 more torque (in Nm) than 1962 Triumph Herald. (83 Nm @ 2250 RPM). This means 1964 Triumph TR4 will have an easier job in driving up hills or pulling heavy equipment than 1962 Triumph Herald.
Compare all specifications:
| 1964 Triumph TR4 | 1962 Triumph Herald | |
| Make | Triumph | Triumph |
| Model | TR4 | Herald |
| Year Released | 1964 | 1962 |
| Engine Position | Front | Front |
| Engine Size | 2138 cc | 1146 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 38 HP |
| Engine RPM | 4700 RPM | 4500 RPM |
| Torque | 172 Nm | 83 Nm |
| Torque RPM | 3350 RPM | 2250 RPM |
| Engine Bore Size | 86 mm | 69.3 mm |
| Engine Stroke Size | 92 mm | 76 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 965 kg | 780 kg |
| Vehicle Length | 3950 mm | 3890 mm |
| Vehicle Width | 1480 mm | 1530 mm |
| Vehicle Height | 1280 mm | 1510 mm |
| Wheelbase Size | 2240 mm | 2320 mm |
| Fuel Tank Capacity | 53 L | 29 L |
