1951 Alvis TB 21 vs. 1987 Subaru XT
To start off, 1987 Subaru XT is newer by 36 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, 1987 Subaru XT (135 HP @ 5600 RPM) has 44 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1987 Subaru XT should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 8 more torque (in Nm) than 1987 Subaru XT. (196 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1987 Subaru XT.
Compare all specifications:
| 1951 Alvis TB 21 | 1987 Subaru XT | |
| Make | Alvis | Subaru |
| Model | TB 21 | XT |
| Year Released | 1951 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 135 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 196 Nm |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 67 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4460 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2470 mm |
