1952 Alvis TB 21 vs. 2001 Alfa Romeo 147
To start off, 2001 Alfa Romeo 147 is newer by 49 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2001 Alfa Romeo 147 (148 HP @ 6300 RPM) has 57 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2001 Alfa Romeo 147 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 23 more torque (in Nm) than 2001 Alfa Romeo 147. (181 Nm @ 3800 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2001 Alfa Romeo 147.
Compare all specifications:
| 1952 Alvis TB 21 | 2001 Alfa Romeo 147 | |
| Make | Alvis | Alfa Romeo |
| Model | TB 21 | 147 |
| Year Released | 1952 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 148 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 204 Nm | 181 Nm |
| Torque RPM | 2200 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4180 mm |
| Vehicle Width | 1680 mm | 1740 mm |
| Wheelbase Size | 2750 mm | 2550 mm |
