1991 Opel Astra vs. 1963 Triumph TR4
To start off, 1991 Opel Astra is newer by 28 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 2,138 cc (4 cylinders), 1963 Triumph TR4 is equipped with a bigger engine. In terms of performance, 1963 Triumph TR4 (104 HP @ 4600 RPM) has 45 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM) In normal driving conditions, 1963 Triumph TR4 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1963 Triumph TR4 weights approximately 5 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1963 Triumph TR4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1963 Triumph TR4. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1963 Triumph TR4 (172 Nm @ 3350 RPM) has 68 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 1963 Triumph TR4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 1963 Triumph TR4 | |
| Make | Opel | Triumph |
| Model | Astra | TR4 |
| Year Released | 1991 | 1963 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 2138 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 104 HP |
| Engine RPM | 5200 RPM | 4600 RPM |
| Torque | 104 Nm | 172 Nm |
| Torque RPM | 2800 RPM | 3350 RPM |
| Engine Bore Size | 77.6 mm | 86 mm |
| Engine Stroke Size | 73.4 mm | 92 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 960 kg | 965 kg |
| Vehicle Length | 4250 mm | 3950 mm |
| Vehicle Width | 1690 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2610 mm | 2240 mm |
