1951 Alvis TB 21 vs. 2004 Mercedes-Benz CL
To start off, 2004 Mercedes-Benz CL 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 5,439 cc (12 cylinders), 2004 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz CL (494 HP @ 4200 RPM) has 403 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2004 Mercedes-Benz CL should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2004 Mercedes-Benz CL (800 Nm) has 596 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2004 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 | 2004 Mercedes-Benz CL | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | CL |
| Year Released | 1951 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 494 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 204 Nm | 800 Nm |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 90 mm | 87 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2830 mm |
