1952 Alvis TB 21 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 51 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (120 HP @ 5400 RPM) has 29 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 37 more torque (in Nm) than 2003 Opel Vectra. (167 Nm @ 3800 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 1952 Alvis TB 21 | 2003 Opel Vectra | |
| Make | Alvis | Opel |
| Model | TB 21 | Vectra |
| Year Released | 1952 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 120 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 204 Nm | 167 Nm |
| Torque RPM | 2200 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1680 mm | 1800 mm |
