1951 Alvis TB 21 vs. 2004 Toyota Prius
To start off, 2004 Toyota Prius is newer by 53 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 15 more horse power than 2004 Toyota Prius. (76 HP @ 5000 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 2004 Toyota Prius.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 89 more torque (in Nm) than 2004 Toyota Prius. (115 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2004 Toyota Prius.
Compare all specifications:
| 1951 Alvis TB 21 | 2004 Toyota Prius | |
| Make | Alvis | Toyota |
| Model | TB 21 | Prius |
| Year Released | 1951 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1497 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 76 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 115 Nm |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 90 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4450 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Wheelbase Size | 2750 mm | 2630 mm |
