1952 Alvis TB 21 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 57 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 5,204 cc (10 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 427 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2009 Audi R8 (530 Nm @ 6500 RPM) has 326 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2009 Audi R8 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 | 2009 Audi R8 | |
| Make | Alvis | Audi |
| Model | TB 21 | R8 |
| Year Released | 1952 | 2009 |
| Engine Position | Front | Middle |
| Engine Size | 2992 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 518 HP |
| Engine RPM | 4000 RPM | 8000 RPM |
| Torque | 204 Nm | 530 Nm |
| Torque RPM | 2200 RPM | 6500 RPM |
| Engine Compression Ratio | 7.1:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4440 mm |
| Vehicle Width | 1680 mm | 1940 mm |
| Wheelbase Size | 2750 mm | 2660 mm |
