1951 Alvis TB 21 vs. 2008 Saab 03-Sep
To start off, 2008 Saab 03-Sep is newer by 57 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, 2008 Saab 03-Sep (148 HP @ 5500 RPM) has 57 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2008 Saab 03-Sep should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2008 Saab 03-Sep (240 Nm) has 36 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2008 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 2008 Saab 03-Sep | |
| Make | Alvis | Saab |
| Model | TB 21 | 03-Sep |
| Year Released | 1951 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 148 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 240 Nm |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Wheelbase Size | 2750 mm | 2680 mm |
