2009 Bentley Azure vs. 1981 BMW 725
To start off, 2009 Bentley Azure is newer by 28 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 6,761 cc, 2009 Bentley Azure is equipped with a bigger engine. In terms of performance, 2009 Bentley Azure (451 HP @ 4100 RPM) has 303 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2009 Bentley Azure should accelerate faster than 1981 BMW 725.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Bentley Azure (876 Nm @ 3250 RPM) has 661 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2009 Bentley Azure will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 2009 Bentley Azure | 1981 BMW 725 | |
| Make | Bentley | BMW |
| Model | Azure | 725 |
| Year Released | 2009 | 1981 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6761 cc | 2493 cc |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 451 HP | 148 HP |
| Engine RPM | 4100 RPM | 5500 RPM |
| Torque | 876 Nm | 215 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 104 mm | 86 mm |
| Engine Stroke Size | 99 mm | 71.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 5420 mm | 4870 mm |
| Vehicle Width | 2130 mm | 1810 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 3120 mm | 2810 mm |
