1950 Alvis TB 21 vs. 1973 Monteverdi Hai 450
To start off, 1973 Monteverdi Hai 450 is newer by 23 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 6,974 cc (8 cylinders), 1973 Monteverdi Hai 450 is equipped with a bigger engine. In terms of performance, 1973 Monteverdi Hai 450 (444 HP @ 5000 RPM) has 353 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1973 Monteverdi Hai 450 should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 1973 Monteverdi Hai 450 (586 Nm) has 382 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 1973 Monteverdi Hai 450 will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1950 Alvis TB 21 | 1973 Monteverdi Hai 450 | |
| Make | Alvis | Monteverdi |
| Model | TB 21 | Hai 450 |
| Year Released | 1950 | 1973 |
| Engine Position | Front | Middle |
| Engine Size | 2993 cc | 6974 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 444 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 586 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4380 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Wheelbase Size | 2750 mm | 2520 mm |
| Fuel Tank Capacity | 64 L | 130 L |
