1953 Alvis TB 21 vs. 1974 BMW 3
To start off, 1974 BMW 3 is newer by 21 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1953 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1974 BMW 3 (200 HP @ 5500 RPM) has 108 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 1974 BMW 3 should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 1974 BMW 3 (270 Nm @ 4300 RPM) has 66 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1974 BMW 3 will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
| 1953 Alvis TB 21 | 1974 BMW 3 | |
| Make | Alvis | BMW |
| Model | TB 21 | 3 |
| Year Released | 1953 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 92 HP | 200 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 270 Nm |
| Torque RPM | 2200 RPM | 4300 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 80 mm |
| 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 |
