1955 Alvis TC 21 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 51 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1955 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 2006 Opel Astra (123 HP @ 5600 RPM) has 18 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 2006 Opel Astra should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 125 kg more than 2006 Opel Astra.
Because 1955 Alvis TC 21 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 1955 Alvis TC 21. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 1955 Alvis TC 21 (221 Nm @ 2500 RPM) has 51 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1955 Alvis TC 21 | 2006 Opel Astra | |
| Make | Alvis | Opel |
| Model | TC 21 | Astra |
| Year Released | 1955 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 123 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 221 Nm | 170 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Top Speed | 164 km/hour | 198 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1325 kg |
| Vehicle Length | 4810 mm | 4520 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1590 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
