2007 Alfa Romeo 166 vs. 1951 Alvis TB 21
To start off, 2007 Alfa Romeo 166 is newer by 56 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 3,179 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (236 HP @ 6200 RPM) has 145 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2007 Alfa Romeo 166 (289 Nm) has 85 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2007 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 2007 Alfa Romeo 166 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 166 | TB 21 |
| Year Released | 2007 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 236 HP | 91 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 289 Nm | 204 Nm |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 78 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 7.1:1 |
| Fuel Type | Gasoline | 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 |
