1950 Alvis TB 21 vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 37 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 25 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 1950 Alvis TB 21 should accelerate faster than 1987 Ford Sierra.
Let's talk about torque, 1950 Alvis TB 21 (204 Nm) has 62 more torque (in Nm) than 1987 Ford Sierra. (142 Nm). This means 1950 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1950 Alvis TB 21 | 1987 Ford Sierra | |
| Make | Alvis | Ford |
| Model | TB 21 | Sierra |
| Year Released | 1950 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2303 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 66 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 204 Nm | 142 Nm |
| Fuel Type | Gasoline | Diesel |
| Vehicle Length | 4430 mm | 4430 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2620 mm |
