1951 Alvis TB 21 vs. 1996 Mercury Grand Marquis
To start off, 1996 Mercury Grand Marquis is newer by 45 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 4,600 cc (8 cylinders), 1996 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1996 Mercury Grand Marquis (208 HP @ 4600 RPM) has 117 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1996 Mercury Grand Marquis should accelerate faster than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1996 Mercury Grand Marquis | |
| Make | Alvis | Mercury |
| Model | TB 21 | Grand Marquis |
| Year Released | 1951 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 208 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5400 mm |
| Vehicle Width | 1680 mm | 1980 mm |
