1951 Alvis TB 21 vs. 2011 Lincoln MKZ
To start off, 2011 Lincoln MKZ 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 3,500 cc (6 cylinders), 2011 Lincoln MKZ is equipped with a bigger engine. In terms of performance, 2011 Lincoln MKZ (263 HP @ 6250 RPM) has 172 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2011 Lincoln MKZ should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2011 Lincoln MKZ (337 Nm) has 133 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2011 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 | 2011 Lincoln MKZ | |
| Make | Alvis | Lincoln |
| Model | TB 21 | MKZ |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 263 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 204 Nm | 337 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4821 mm |
| Vehicle Width | 1680 mm | 1834 mm |
| Wheelbase Size | 2750 mm | 2728 mm |
