1952 Alvis TB 21 vs. 1999 Toyota Sienna
To start off, 1999 Toyota Sienna is newer by 47 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 3,001 cc (6 cylinders), 1999 Toyota Sienna is equipped with a bigger engine. In terms of performance, 1999 Toyota Sienna (210 HP @ 5200 RPM) has 119 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1999 Toyota Sienna should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1999 Toyota Sienna (285 Nm @ 4300 RPM) has 81 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1999 Toyota Sienna 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 | 1999 Toyota Sienna | |
| Make | Alvis | Toyota |
| Model | TB 21 | Sienna |
| Year Released | 1952 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3001 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 210 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 285 Nm |
| Torque RPM | 2200 RPM | 4300 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 83 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Wheelbase Size | 2750 mm | 2910 mm |
