1951 Alvis TB 21 vs. 1964 Autobianchi Primula
To start off, 1964 Autobianchi Primula is newer by 13 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. In terms of performance, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 34 more horse power than 1964 Autobianchi Primula. (57 HP @ 5300 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1964 Autobianchi Primula.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 111 more torque (in Nm) than 1964 Autobianchi Primula. (93 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1964 Autobianchi Primula.
Compare all specifications:
| 1951 Alvis TB 21 | 1964 Autobianchi Primula | |
| Make | Alvis | Autobianchi |
| Model | TB 21 | Primula |
| Year Released | 1951 | 1964 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1221 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 57 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 204 Nm | 93 Nm |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 90 mm | 75 mm |
| Engine Compression Ratio | 7.1:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 3800 mm |
| Vehicle Width | 1680 mm | 1590 mm |
| Wheelbase Size | 2750 mm | 2310 mm |
