1952 Alvis TB 21 vs. 1984 Saab 90
To start off, 1984 Saab 90 is newer by 32 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, 1984 Saab 90 (100 HP @ 5200 RPM) has 9 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1984 Saab 90 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 42 more torque (in Nm) than 1984 Saab 90. (162 Nm @ 3500 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1984 Saab 90.
Compare all specifications:
| 1952 Alvis TB 21 | 1984 Saab 90 | |
| Make | Alvis | Saab |
| Model | TB 21 | 90 |
| Year Released | 1952 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 100 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 162 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Engine Compression Ratio | 7.1:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4590 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2470 mm |
