1952 Alvis TB 21 vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 53 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, 2005 BMW 525 (215 HP @ 6500 RPM) has 124 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 525 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2005 BMW 525 (250 Nm @ 2750 RPM) has 46 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2005 BMW 525 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 | 2005 BMW 525 | |
| Make | Alvis | BMW |
| Model | TB 21 | 525 |
| Year Released | 1952 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 250 Nm |
| Torque RPM | 2200 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 90 mm | 78.8 mm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4780 mm |
| Vehicle Width | 1680 mm | 1810 mm |
| Wheelbase Size | 2750 mm | 3000 mm |
