2003 Alfa Romeo 166 vs. 1951 Alvis TB 21
To start off, 2003 Alfa Romeo 166 is newer by 52 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, 2003 Alfa Romeo 166 (148 HP @ 6500 RPM) has 57 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 23 more torque (in Nm) than 2003 Alfa Romeo 166. (181 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 166 | TB 21 |
| Year Released | 2003 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 91 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 181 Nm | 204 Nm |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 7.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1680 mm |
| Wheelbase Size | 2710 mm | 2750 mm |
