1952 Alvis TB 21 vs. 1952 Austin A 30
To start off, both 1952 Alvis TB 21 and 1952 Austin A 30 were released in the same year (1952). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1952 Alvis TB 21 (91 HP @ 4000 RPM) has 62 more horse power than 1952 Austin A 30. (29 HP @ 4800 RPM). In normal driving conditions, 1952 Alvis TB 21 should accelerate faster than 1952 Austin A 30.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 150 more torque (in Nm) than 1952 Austin A 30. (54 Nm @ 2200 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1952 Austin A 30.
Compare all specifications:
| 1952 Alvis TB 21 | 1952 Austin A 30 | |
| Make | Alvis | Austin |
| Model | TB 21 | A 30 |
| Year Released | 1952 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 803 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 29 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 204 Nm | 54 Nm |
| Torque RPM | 2200 RPM | 2200 RPM |
| Engine Bore Size | 84 mm | 58 mm |
| Engine Stroke Size | 90 mm | 76 mm |
| Engine Compression Ratio | 7.1:1 | 7.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 3470 mm |
| Vehicle Width | 1680 mm | 1410 mm |
| Wheelbase Size | 2750 mm | 2030 mm |
