2000 Alfa Romeo 156 vs. 1951 Alvis TB 21
To start off, 2000 Alfa Romeo 156 is newer by 49 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, 2000 Alfa Romeo 156 (118 HP @ 6200 RPM) has 27 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2000 Alfa Romeo 156 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 58 more torque (in Nm) than 2000 Alfa Romeo 156. (146 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2000 Alfa Romeo 156.
Compare all specifications:
| 2000 Alfa Romeo 156 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 156 | TB 21 |
| Year Released | 2000 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1597 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 | 6200 RPM | 4000 RPM |
| Torque | 146 Nm | 204 Nm |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 75.6 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 | 4440 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1680 mm |
| Wheelbase Size | 2600 mm | 2750 mm |
