1951 Alvis TB 21 vs. 1972 AMC Javelin
To start off, 1972 AMC Javelin is newer by 21 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 4,982 cc (8 cylinders), 1972 AMC Javelin is equipped with a bigger engine. In terms of performance, 1972 AMC Javelin (151 HP @ 4200 RPM) has 60 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1972 AMC Javelin should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1972 AMC Javelin (332 Nm) has 128 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1972 AMC Javelin 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 | 1972 AMC Javelin | |
| Make | Alvis | AMC |
| Model | TB 21 | Javelin |
| Year Released | 1951 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4982 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 151 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 204 Nm | 332 Nm |
| Engine Bore Size | 84 mm | 95.2 mm |
| Engine Stroke Size | 90 mm | 87.3 mm |
| Engine Compression Ratio | 7.1:1 | 8.4:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4880 mm |
| Vehicle Width | 1680 mm | 1920 mm |
| Wheelbase Size | 2750 mm | 2800 mm |
