1953 Alvis TB 21 vs. 2007 Mercedes-Benz A
To start off, 2007 Mercedes-Benz A is newer by 54 year(s). Which means there will be less support and parts availability for 1953 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1953 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1953 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz A (134 HP @ 5750 RPM) has 42 more horse power than 1953 Alvis TB 21. (92 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz A should accelerate faster than 1953 Alvis TB 21.
Let's talk about torque, 1953 Alvis TB 21 (204 Nm @ 2200 RPM) has 19 more torque (in Nm) than 2007 Mercedes-Benz A. (185 Nm @ 3500 RPM). This means 1953 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz A.
Compare all specifications:
| 1953 Alvis TB 21 | 2007 Mercedes-Benz A | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | A |
| Year Released | 1953 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2034 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 92 HP | 134 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 204 Nm | 185 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 94 mm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 3840 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Wheelbase Size | 2750 mm | 2570 mm |
