1951 Alvis TB 21 vs. 2007 Mercedes-Benz E
To start off, 2007 Mercedes-Benz E is newer by 56 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 4,966 cc (8 cylinders), 2007 Mercedes-Benz E is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz E (302 HP @ 5600 RPM) has 211 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz E should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2007 Mercedes-Benz E (460 Nm) has 256 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2007 Mercedes-Benz E 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 | 2007 Mercedes-Benz E | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | E |
| Year Released | 1951 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 302 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 460 Nm |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4820 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
