2002 Alfa Romeo Spider vs. 1952 Alvis TB 21
To start off, 2002 Alfa Romeo Spider is newer by 50 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, 2002 Alfa Romeo Spider (139 HP @ 6500 RPM) has 48 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2002 Alfa Romeo Spider should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 41 more torque (in Nm) than 2002 Alfa Romeo Spider. (163 Nm @ 3500 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo Spider.
Compare all specifications:
| 2002 Alfa Romeo Spider | 1952 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Spider | TB 21 |
| Year Released | 2002 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2992 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 139 HP | 91 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 163 Nm | 204 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 82.8 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 | 4290 mm | 4430 mm |
| Vehicle Width | 1790 mm | 1680 mm |
| Wheelbase Size | 2550 mm | 2750 mm |
