1951 Alvis TB 21 vs. 1980 Austin Allegro
To start off, 1980 Austin Allegro is newer by 29 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, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 47 more horse power than 1980 Austin Allegro. (44 HP @ 5250 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1980 Austin Allegro.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 130 more torque (in Nm) than 1980 Austin Allegro. (74 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1980 Austin Allegro.
Compare all specifications:
| 1951 Alvis TB 21 | 1980 Austin Allegro | |
| Make | Alvis | Austin |
| Model | TB 21 | Allegro |
| Year Released | 1951 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 44 HP |
| Engine RPM | 4000 RPM | 5250 RPM |
| Torque | 204 Nm | 74 Nm |
| Engine Bore Size | 84 mm | 64.6 mm |
| Engine Stroke Size | 90 mm | 83.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 3200 mm |
| Vehicle Width | 1680 mm | 1620 mm |
| Wheelbase Size | 2750 mm | 2450 mm |
