1951 Alvis TB 21 vs. 1947 Austin A 125
To start off, 1951 Alvis TB 21 is newer by 4 year(s). Which means there will be less support and parts availability for 1947 Austin A 125. In addition, the cost of maintenance, including insurance, on 1947 Austin A 125 would be higher. At 3,990 cc (6 cylinders), 1947 Austin A 125 is equipped with a bigger engine. In terms of performance, 1947 Austin A 125 (125 HP) has 34 more horse power than 1951 Alvis TB 21. (91 HP) In normal driving conditions, 1947 Austin A 125 should accelerate faster than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1947 Austin A 125 | |
| Make | Alvis | Austin |
| Model | TB 21 | A 125 |
| Year Released | 1951 | 1947 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3990 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 125 HP |
| Engine Compression Ratio | 7.1:1 | 6.8:1 |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Length | 4430 mm | 5200 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 3360 mm |
