1952 Alvis TB 21 vs. 1985 Mazda 323
To start off, 1985 Mazda 323 is newer by 33 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, 1985 Mazda 323 (103 HP @ 6000 RPM) has 12 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1985 Mazda 323 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 67 more torque (in Nm) than 1985 Mazda 323. (137 Nm @ 4200 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda 323.
Compare all specifications:
| 1952 Alvis TB 21 | 1985 Mazda 323 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 323 |
| Year Released | 1952 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 103 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 137 Nm |
| Torque RPM | 2200 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 78 mm |
| Engine Stroke Size | 90 mm | 83 mm |
| Engine Compression Ratio | 7.1:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4000 mm |
| Vehicle Width | 1680 mm | 1660 mm |
| Wheelbase Size | 2750 mm | 2410 mm |
