1981 Alfa Romeo Alfa 6 vs. 1952 Alvis TB 21
To start off, 1981 Alfa Romeo Alfa 6 is newer by 29 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, 1981 Alfa Romeo Alfa 6 (133 HP @ 5600 RPM) has 42 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 26 more torque (in Nm) than 1981 Alfa Romeo Alfa 6. (178 Nm @ 4500 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfa 6.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 1952 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | Alfa 6 | TB 21 |
| Year Released | 1981 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 133 HP | 91 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 178 Nm | 204 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 66.2 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4770 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1680 mm |
| Wheelbase Size | 2610 mm | 2750 mm |
