1951 Alvis TB 21 vs. 1999 Bentley Azure
To start off, 1999 Bentley Azure is newer by 48 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 6,745 cc (8 cylinders), 1999 Bentley Azure is equipped with a bigger engine. In terms of performance, 1999 Bentley Azure (402 HP @ 4200 RPM) has 311 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1999 Bentley Azure should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1999 Bentley Azure (750 Nm) has 546 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1999 Bentley Azure 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 | 1999 Bentley Azure | |
| Make | Alvis | Bentley |
| Model | TB 21 | Azure |
| Year Released | 1951 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 6745 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 402 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 204 Nm | 750 Nm |
| Engine Bore Size | 84 mm | 104.1 mm |
| Engine Stroke Size | 90 mm | 99.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5360 mm |
| Vehicle Width | 1680 mm | 2060 mm |
| Wheelbase Size | 2750 mm | 2970 mm |
