1951 Alvis TB 21 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 53 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, 2004 Audi A4 (220 HP @ 6200 RPM) has 129 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2004 Audi A4 (310 Nm) has 106 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2004 Audi A4 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 | 2004 Audi A4 | |
| Make | Alvis | Audi |
| Model | TB 21 | A4 |
| Year Released | 1951 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 91 HP | 220 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 204 Nm | 310 Nm |
| Engine Compression Ratio | 7.1:1 | 10.1:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4580 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
