1998 Alfa Romeo 166 vs. 1951 Alvis TB 21
To start off, 1998 Alfa Romeo 166 is newer by 47 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, 1998 Alfa Romeo 166 (155 HP @ 6400 RPM) has 64 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1998 Alfa Romeo 166 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 17 more torque (in Nm) than 1998 Alfa Romeo 166. (187 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166.
Compare all specifications:
| 1998 Alfa Romeo 166 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 166 | TB 21 |
| Year Released | 1998 | 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 | 155 HP | 91 HP |
| Engine RPM | 6400 RPM | 4000 RPM |
| Torque | 187 Nm | 204 Nm |
| Engine Bore Size | 83.1 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 7.1:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4730 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1680 mm |
| Wheelbase Size | 2710 mm | 2750 mm |
