1950 Alvis TB 21 vs. 1978 Volvo 66
To start off, 1978 Volvo 66 is newer by 28 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, 1950 Alvis TB 21 (91 HP @ 4000 RPM) has 35 more horse power than 1978 Volvo 66. (56 HP @ 5200 RPM). In normal driving conditions, 1950 Alvis TB 21 should accelerate faster than 1978 Volvo 66.
Let's talk about torque, 1950 Alvis TB 21 (204 Nm) has 110 more torque (in Nm) than 1978 Volvo 66. (94 Nm). This means 1950 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1978 Volvo 66.
Compare all specifications:
| 1950 Alvis TB 21 | 1978 Volvo 66 | |
| Make | Alvis | Volvo |
| Model | TB 21 | 66 |
| Year Released | 1950 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1289 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 56 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 94 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 3910 mm |
| Vehicle Width | 1680 mm | 1550 mm |
