1951 Alvis TA 21 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 54 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TA 21 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (197 HP @ 5400 RPM) has 104 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 193 kg more than 2005 Opel Astra.
Because 1951 Alvis TA 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 1951 Alvis TA 21. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Astra (262 Nm @ 4200 RPM) has 58 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 2005 Opel Astra | |
| Make | Alvis | Opel |
| Model | TA 21 | Astra |
| Year Released | 1951 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 204 Nm | 262 Nm |
| Torque RPM | 2000 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 86.1 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.1:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1448 kg | 1255 kg |
| Vehicle Length | 4630 mm | 4300 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Vehicle Height | 1600 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2640 mm |
| Fuel Tank Capacity | 64 L | 52 L |
