1958 Alvis TD vs. 1950 Alvis TB 21
To start off, 1958 Alvis TD is newer by 8 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1950 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1958 Alvis TD (116 HP @ 4500 RPM) has 25 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1958 Alvis TD should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 1958 Alvis TD (221 Nm) has 17 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 1958 Alvis TD will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1958 Alvis TD | 1950 Alvis TB 21 | |
| Make | Alvis | Alvis |
| Model | TD | TB 21 |
| Year Released | 1958 | 1950 |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 116 HP | 91 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 221 Nm | 204 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Wheelbase Size | 2840 mm | 2750 mm |
| Fuel Tank Capacity | 64 L | 64 L |
