1952 Alvis TB 21 vs. 1997 Vector M12
To start off, 1997 Vector M12 is newer by 45 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 5,707 cc (12 cylinders), 1997 Vector M12 is equipped with a bigger engine. In terms of performance, 1997 Vector M12 (484 HP @ 6800 RPM) has 393 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1997 Vector M12 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1997 Vector M12 (576 Nm @ 5200 RPM) has 372 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1997 Vector M12 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1997 Vector M12 | |
| Make | Alvis | Vector |
| Model | TB 21 | M12 |
| Year Released | 1952 | 1997 |
| Engine Position | Front | Middle |
| Engine Size | 2992 cc | 5707 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 484 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 204 Nm | 576 Nm |
| Torque RPM | 2200 RPM | 5200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4790 mm |
| Vehicle Width | 1680 mm | 2030 mm |
| Wheelbase Size | 2750 mm | 2750 mm |
