1952 Alvis TB 21 vs. 1971 BMW 3
To start off, 1971 BMW 3 is newer by 19 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, 1971 BMW 3 (200 HP @ 6000 RPM) has 109 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1971 BMW 3 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1971 BMW 3 (271 Nm @ 3700 RPM) has 67 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1971 BMW 3 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 | 1971 BMW 3 | |
| Make | Alvis | BMW |
| Model | TB 21 | 3 |
| Year Released | 1952 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 200 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 271 Nm |
| Torque RPM | 2200 RPM | 3700 RPM |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4720 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Wheelbase Size | 2750 mm | 2700 mm |
