1952 Alvis TB 21 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 55 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (197 HP @ 5100 RPM) has 106 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2007 Audi A4 (280 Nm @ 1800 RPM) has 76 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 2007 Audi A4 | |
| Make | Alvis | Audi |
| Model | TB 21 | A4 |
| Year Released | 1952 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 197 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 204 Nm | 280 Nm |
| Torque RPM | 2200 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 90 mm | 92.8 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4580 mm |
| Vehicle Width | 1680 mm | 1400 mm |
| Wheelbase Size | 2750 mm | 2650 mm |
