1951 Alvis TB 21 vs. 2003 Mercedes-Benz S
To start off, 2003 Mercedes-Benz S is newer by 52 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 3,722 cc (6 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz S (242 HP @ 5700 RPM) has 151 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2003 Mercedes-Benz S (350 Nm) has 146 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2003 Mercedes-Benz S 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 | 2003 Mercedes-Benz S | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | S |
| Year Released | 1951 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3722 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 242 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 204 Nm | 350 Nm |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5170 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 3090 mm |
