1967 Alfa Romeo 1750 vs. 1951 Alvis TB 21
To start off, 1967 Alfa Romeo 1750 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, 1967 Alfa Romeo 1750 (120 HP @ 5500 RPM) has 29 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1967 Alfa Romeo 1750 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 34 more torque (in Nm) than 1967 Alfa Romeo 1750. (170 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1967 Alfa Romeo 1750.
Compare all specifications:
| 1967 Alfa Romeo 1750 | 1951 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 1750 | TB 21 |
| Year Released | 1967 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 1778 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 120 HP | 91 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 170 Nm | 204 Nm |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 88.5 mm | 90 mm |
| Engine Compression Ratio | 9.5:1 | 7.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4400 mm | 4430 mm |
| Vehicle Width | 1580 mm | 1680 mm |
| Wheelbase Size | 2580 mm | 2750 mm |
