1951 Alvis TB 21 vs. 2009 Lincoln MKZ
To start off, 2009 Lincoln MKZ is newer by 58 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 3,495 cc (6 cylinders), 2009 Lincoln MKZ is equipped with a bigger engine. In terms of performance, 2009 Lincoln MKZ (261 HP @ 6250 RPM) has 170 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Lincoln MKZ should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2009 Lincoln MKZ (250 Nm) has 46 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2009 Lincoln MKZ 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 | 2009 Lincoln MKZ | |
| Make | Alvis | Lincoln |
| Model | TB 21 | MKZ |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 261 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 204 Nm | 250 Nm |
| Engine Compression Ratio | 7.1:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4850 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Wheelbase Size | 2750 mm | 2730 mm |
