2008 Alfa Romeo Spider vs. 1951 Alvis TB 21
To start off, 2008 Alfa Romeo Spider is newer by 57 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 23 more torque (in Nm) than 2008 Alfa Romeo Spider. (181 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo Spider.
Compare all specifications:
| 2008 Alfa Romeo Spider | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Spider | TB 21 |
| Year Released | 2008 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 0 HP | 91 HP |
| Torque | 181 Nm | 204 Nm |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Length | 4230 mm | 4430 mm |
| Wheelbase Size | 2550 mm | 2750 mm |
