1950 Alvis TB 21 vs. 1972 BMW 520
To start off, 1972 BMW 520 is newer by 22 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 2,993 cc (6 cylinders), 1950 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (150 HP @ 5900 RPM) has 59 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1972 BMW 520 should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 1950 Alvis TB 21 (204 Nm) has 14 more torque (in Nm) than 1972 BMW 520. (190 Nm). This means 1950 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
| 1950 Alvis TB 21 | 1972 BMW 520 | |
| Make | Alvis | BMW |
| Model | TB 21 | 520 |
| Year Released | 1950 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 150 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 204 Nm | 190 Nm |
| Vehicle Length | 4430 mm | 4630 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2770 mm |
| Fuel Tank Capacity | 64 L | 80 L |
