1953 Alvis TB 21 vs. 2003 Saab 03-Sep
To start off, 2003 Saab 03-Sep is newer by 50 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1953 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2003 Saab 03-Sep (173 HP @ 5500 RPM) has 81 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 2003 Saab 03-Sep should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 2003 Saab 03-Sep (350 Nm @ 2500 RPM) has 146 more torque (in Nm) than 1953 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2003 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 1953 Alvis TB 21.
Compare all specifications:
| 1953 Alvis TB 21 | 2003 Saab 03-Sep | |
| Make | Alvis | Saab |
| Model | TB 21 | 03-Sep |
| Year Released | 1953 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 92 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 350 Nm |
| Torque RPM | 2200 RPM | 2500 RPM |
| 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 | 2710 mm |
