1951 Alvis TB 21 vs. 1992 Daihatsu Opti
To start off, 1992 Daihatsu Opti is newer by 41 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 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 35 more horse power than 1992 Daihatsu Opti. (56 HP @ 7600 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1992 Daihatsu Opti.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 140 more torque (in Nm) than 1992 Daihatsu Opti. (64 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1992 Daihatsu Opti.
Compare all specifications:
| 1951 Alvis TB 21 | 1992 Daihatsu Opti | |
| Make | Alvis | Daihatsu |
| Model | TB 21 | Opti |
| Year Released | 1951 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 659 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 56 HP |
| Engine RPM | 4000 RPM | 7600 RPM |
| Torque | 204 Nm | 64 Nm |
| Engine Bore Size | 84 mm | 68 mm |
| Engine Stroke Size | 90 mm | 60.5 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 3400 mm |
| Vehicle Width | 1680 mm | 1480 mm |
| Wheelbase Size | 2750 mm | 2370 mm |
