1951 Alvis TB 21 vs. 2011 Mercedes-Benz S
To start off, 2011 Mercedes-Benz S is newer by 60 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 3,498 cc (6 cylinders), 2011 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz S (302 HP @ 6500 RPM) has 211 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2011 Mercedes-Benz S should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2011 Mercedes-Benz S (370 Nm) has 166 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2011 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 | 2011 Mercedes-Benz S | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | S |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 302 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 370 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5096 mm |
| Vehicle Width | 1680 mm | 1872 mm |
| Wheelbase Size | 2750 mm | 3165 mm |
