1951 Alvis TB 21 vs. 1967 Fiat 500
To start off, 1967 Fiat 500 is newer by 16 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, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 73 more horse power than 1967 Fiat 500. (18 HP @ 4600 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1967 Fiat 500.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 177 more torque (in Nm) than 1967 Fiat 500. (27 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1967 Fiat 500.
Compare all specifications:
| 1951 Alvis TB 21 | 1967 Fiat 500 | |
| Make | Alvis | Fiat |
| Model | TB 21 | 500 |
| Year Released | 1951 | 1967 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 497 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 18 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 204 Nm | 27 Nm |
| Engine Bore Size | 84 mm | 67.4 mm |
| Engine Stroke Size | 90 mm | 70 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 3030 mm |
| Vehicle Width | 1680 mm | 1330 mm |
| Wheelbase Size | 2750 mm | 1850 mm |
