1951 Alvis TB 21 vs. 1961 Alfa Romeo 2000
To start off, 1961 Alfa Romeo 2000 is newer by 10 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, 1961 Alfa Romeo 2000 (106 HP @ 5300 RPM) has 15 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1961 Alfa Romeo 2000 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 52 more torque (in Nm) than 1961 Alfa Romeo 2000. (152 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1961 Alfa Romeo 2000.
Compare all specifications:
| 1951 Alvis TB 21 | 1961 Alfa Romeo 2000 | |
| Make | Alvis | Alfa Romeo |
| Model | TB 21 | 2000 |
| Year Released | 1951 | 1961 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1975 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 106 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 204 Nm | 152 Nm |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 7.1:1 | 8.3:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4720 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Wheelbase Size | 2750 mm | 2730 mm |
