1951 Alvis TB 21 vs. 2009 Maserati Quattroporte
To start off, 2009 Maserati Quattroporte 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 4,691 cc (8 cylinders), 2009 Maserati Quattroporte is equipped with a bigger engine. In terms of performance, 2009 Maserati Quattroporte (425 HP @ 7000 RPM) has 334 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2009 Maserati Quattroporte should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2009 Maserati Quattroporte (490 Nm) has 286 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2009 Maserati Quattroporte 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 Maserati Quattroporte | |
| Make | Alvis | Maserati |
| Model | TB 21 | Quattroporte |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4691 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 425 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 204 Nm | 490 Nm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 5100 mm |
| Vehicle Width | 1680 mm | 1900 mm |
| Wheelbase Size | 2750 mm | 3070 mm |
