2009 Alfa Romeo 147 vs. 1952 Alvis TB 21
To start off, 2009 Alfa Romeo 147 is newer by 57 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, 2009 Alfa Romeo 147 (118 HP @ 4000 RPM) has 27 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2009 Alfa Romeo 147 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2009 Alfa Romeo 147 (280 Nm @ 2000 RPM) has 76 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2009 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 2009 Alfa Romeo 147 | 1952 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 147 | TB 21 |
| Year Released | 2009 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2992 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 118 HP | 91 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 280 Nm | 204 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 90 mm |
| Engine Compression Ratio | 18.5:1 | 7.1:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4230 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1680 mm |
| Wheelbase Size | 2550 mm | 2750 mm |
