1951 Alvis TB 21 vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 55 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 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (221 HP @ 3800 RPM) has 130 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2006 Mercedes-Benz GL (510 Nm) has 306 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2006 Mercedes-Benz GL 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 | 2006 Mercedes-Benz GL | |
| Make | Alvis | Mercedes-Benz |
| Model | TB 21 | GL |
| Year Released | 1951 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 221 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 204 Nm | 510 Nm |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 7.1:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Length | 4430 mm | 5090 mm |
| Vehicle Width | 1680 mm | 1930 mm |
| Wheelbase Size | 2750 mm | 3080 mm |
