1952 Alvis TB 21 vs. 1957 Bristol 405
To start off, 1957 Bristol 405 is newer by 5 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, 1957 Bristol 405 (100 HP @ 5000 RPM) has 9 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1957 Bristol 405 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 52 more torque (in Nm) than 1957 Bristol 405. (152 Nm @ 3750 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1957 Bristol 405.
Compare all specifications:
| 1952 Alvis TB 21 | 1957 Bristol 405 | |
| Make | Alvis | Bristol |
| Model | TB 21 | 405 |
| Year Released | 1952 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 100 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 152 Nm |
| Torque RPM | 2200 RPM | 3750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4820 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Wheelbase Size | 2750 mm | 2900 mm |
