1963 Triumph TR4 vs. 1966 Vauxhall Viscount
To start off, 1966 Vauxhall Viscount is newer by 3 year(s). Which means there will be less support and parts availability for 1963 Triumph TR4. In addition, the cost of maintenance, including insurance, on 1963 Triumph TR4 would be higher. At 3,294 cc (6 cylinders), 1966 Vauxhall Viscount is equipped with a bigger engine. In terms of performance, 1966 Vauxhall Viscount (122 HP @ 4600 RPM) has 18 more horse power than 1963 Triumph TR4. (104 HP @ 4600 RPM) In normal driving conditions, 1966 Vauxhall Viscount should accelerate faster than 1963 Triumph TR4. With that said, vehicle weight also plays an important factor in acceleration. 1966 Vauxhall Viscount weights approximately 415 kg more than 1963 Triumph TR4. 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, 1966 Vauxhall Viscount (241 Nm @ 2400 RPM) has 69 more torque (in Nm) than 1963 Triumph TR4. (172 Nm @ 3350 RPM). This means 1966 Vauxhall Viscount will have an easier job in driving up hills or pulling heavy equipment than 1963 Triumph TR4.
Compare all specifications:
| 1963 Triumph TR4 | 1966 Vauxhall Viscount | |
| Make | Triumph | Vauxhall |
| Model | TR4 | Viscount |
| Year Released | 1963 | 1966 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2138 cc | 3294 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 122 HP |
| Engine RPM | 4600 RPM | 4600 RPM |
| Torque | 172 Nm | 241 Nm |
| Torque RPM | 3350 RPM | 2400 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 92 mm | 82.6 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 965 kg | 1380 kg |
| Vehicle Length | 3950 mm | 4760 mm |
| Vehicle Width | 1480 mm | 1780 mm |
| Vehicle Height | 1280 mm | 1430 mm |
| Wheelbase Size | 2240 mm | 2740 mm |
