1997 Alfa Romeo 155 vs. 1951 Alvis TB 21
To start off, 1997 Alfa Romeo 155 is newer by 46 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, 1997 Alfa Romeo 155 (118 HP @ 6300 RPM) has 27 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 60 more torque (in Nm) than 1997 Alfa Romeo 155. (144 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 155 | TB 21 |
| Year Released | 1997 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 91 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 144 Nm | 204 Nm |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 75.7 mm | 90 mm |
| Engine Compression Ratio | 10.3:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4450 mm | 4430 mm |
| Vehicle Width | 1710 mm | 1680 mm |
