1961 Triumph TR3 vs. 1963 Triumph TR4
To start off, 1963 Triumph TR4 is newer by 2 year(s). Which means there will be less support and parts availability for 1961 Triumph TR3. In addition, the cost of maintenance, including insurance, on 1961 Triumph TR3 would be higher. Both 1961 Triumph TR3 and 1963 Triumph TR4 are equipped with a 2,138 cc engine. In terms of performance, 1963 Triumph TR4 (104 HP @ 4600 RPM) has 3 more horse power than 1961 Triumph TR3. (101 HP @ 4600 RPM) In normal driving conditions, 1963 Triumph TR4 should accelerate faster than 1961 Triumph TR3. With that said, vehicle weight also plays an important factor in acceleration. 1963 Triumph TR4 weights approximately 61 kg more than 1961 Triumph TR3. 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, both vehicles can yield 172 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1961 Triumph TR3 | 1963 Triumph TR4 | |
| Make | Triumph | Triumph |
| Model | TR3 | TR4 |
| Year Released | 1961 | 1963 |
| Body Type | Roadster | Roadster |
| Engine Position | Front | Front |
| Engine Size | 2138 cc | 2138 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 104 HP |
| Engine RPM | 4600 RPM | 4600 RPM |
| Torque | 172 Nm | 172 Nm |
| Torque RPM | 3350 RPM | 3350 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| 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 | 904 kg | 965 kg |
| Vehicle Length | 3840 mm | 3950 mm |
| Vehicle Width | 1420 mm | 1480 mm |
| Vehicle Height | 1280 mm | 1280 mm |
| Wheelbase Size | 2240 mm | 2240 mm |
| Fuel Tank Capacity | 53 L | 53 L |
