1951 Alvis TB 21 vs. 2006 Saab 9-7X
To start off, 2006 Saab 9-7X is newer by 55 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 5,326 cc, 2006 Saab 9-7X is equipped with a bigger engine. In terms of performance, 2006 Saab 9-7X (300 HP @ 5200 RPM) has 209 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2006 Saab 9-7X should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2006 Saab 9-7X (447 Nm) has 243 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2006 Saab 9-7X 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 | 2006 Saab 9-7X | |
| Make | Alvis | Saab |
| Model | TB 21 | 9-7X |
| Year Released | 1951 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5326 cc |
| Horse Power | 91 HP | 300 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 447 Nm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4910 mm |
| Vehicle Width | 1680 mm | 1920 mm |
| Wheelbase Size | 2750 mm | 2880 mm |
