1951 Alvis TA 21 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 40 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, 1991 Opel Astra (100 HP @ 5600 RPM) has 7 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1991 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 353 kg more than 1991 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, 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, 1951 Alvis TA 21 (204 Nm @ 2000 RPM) has 69 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1951 Alvis TA 21 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1951 Alvis TA 21 | 1991 Opel Astra | |
| Make | Alvis | Opel |
| Model | TA 21 | Astra |
| Year Released | 1951 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 93 HP | 100 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 135 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 90 mm | 81.5 mm |
| Engine Compression Ratio | 7.1:1 | 9.8:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1448 kg | 1095 kg |
| Vehicle Length | 4630 mm | 4280 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Vehicle Height | 1600 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2640 mm |
| Fuel Tank Capacity | 64 L | 52 L |
