1985 Alfa Romeo 90 vs. 1952 Alvis TB 21
To start off, 1985 Alfa Romeo 90 is newer by 33 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (109 HP @ 4200 RPM) has 18 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1985 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 31 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1952 Alvis TB 21 | |
| Make | Alfa Romeo | Alvis |
| Model | 90 | TB 21 |
| Year Released | 1985 | 1952 |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 2992 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 91 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 235 Nm | 204 Nm |
| Torque RPM | 2300 RPM | 2200 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 22.0:1 | 7.1:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4400 mm | 4430 mm |
| Vehicle Width | 1650 mm | 1680 mm |
| Wheelbase Size | 2520 mm | 2750 mm |
