1951 Alvis TB 21 vs. 2008 Mercedes-Benz CL
To start off, 2008 Mercedes-Benz CL is newer by 57 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 5,439 cc (8 cylinders), 2008 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz CL (493 HP @ 6100 RPM) has 402 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2008 Mercedes-Benz CL should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2008 Mercedes-Benz CL (700 Nm) has 496 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2008 Mercedes-Benz CL 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 | 2008 Mercedes-Benz CL | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | CL |
| Year Released | 1951 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 493 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 204 Nm | 700 Nm |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2890 mm |
