1951 Alvis TB 21 vs. 2005 Audi A8
To start off, 2005 Audi A8 is newer by 54 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 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (450 HP @ 6300 RPM) has 359 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2005 Audi A8 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2005 Audi A8 (560 Nm) has 356 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2005 Audi A8 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 | 2005 Audi A8 | |
| Make | Alvis | Audi |
| Model | TB 21 | A8 |
| Year Released | 1951 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5998 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 450 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 204 Nm | 560 Nm |
| Engine Bore Size | 84 mm | 84.1 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5200 mm |
| Vehicle Width | 1680 mm | 1900 mm |
| Wheelbase Size | 2750 mm | 3080 mm |
