1992 Alfa Romeo RZ vs. 1952 Alvis TB 21
To start off, 1992 Alfa Romeo RZ is newer by 40 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, 1992 Alfa Romeo RZ (209 HP @ 6200 RPM) has 118 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1992 Alfa Romeo RZ should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1992 Alfa Romeo RZ (245 Nm @ 4500 RPM) has 41 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1992 Alfa Romeo RZ will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1992 Alfa Romeo RZ | 1952 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | RZ | TB 21 |
| Year Released | 1992 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 209 HP | 91 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 245 Nm | 204 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 72.6 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4070 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1680 mm |
