1951 Alvis TB 21 vs. 1992 BMW 730
To start off, 1992 BMW 730 is newer by 41 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1992 BMW 730 (181 HP @ 5800 RPM) has 90 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1992 BMW 730 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1992 BMW 730 (260 Nm) has 56 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1992 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1992 BMW 730 | |
| Make | Alvis | BMW |
| Model | TB 21 | 730 |
| Year Released | 1951 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2984 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 181 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 204 Nm | 260 Nm |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 80 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Wheelbase Size | 2750 mm | 2840 mm |
