1953 Alvis TB 21 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 52 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1953 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (198 HP @ 5600 RPM) has 106 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 2005 Opel Astra (250 Nm @ 1950 RPM) has 46 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
| 1953 Alvis TB 21 | 2005 Opel Astra | |
| Make | Alvis | Opel |
| Model | TB 21 | Astra |
| Year Released | 1953 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 92 HP | 198 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 250 Nm |
| Torque RPM | 2200 RPM | 1950 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.1:1 | 8.8:1 |
| Number of Seats | 5 seats | 5 seats |
| Wheelbase Size | 2750 mm | 2840 mm |
