1951 Alvis TB 21 vs. 2008 Lincoln Navigator
To start off, 2008 Lincoln Navigator is newer by 57 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 5,408 cc (8 cylinders), 2008 Lincoln Navigator is equipped with a bigger engine. In terms of performance, 2008 Lincoln Navigator (300 HP @ 5000 RPM) has 209 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2008 Lincoln Navigator should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2008 Lincoln Navigator (495 Nm) has 291 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2008 Lincoln Navigator 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 | 2008 Lincoln Navigator | |
| Make | Alvis | Lincoln |
| Model | TB 21 | Navigator |
| Year Released | 1951 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5408 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 91 HP | 300 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 495 Nm |
| Engine Compression Ratio | 7.1:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Length | 4430 mm | 5300 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Wheelbase Size | 2750 mm | 3030 mm |
