2006 Audi A8 vs. 1984 BMW 725
To start off, 2006 Audi A8 is newer by 22 year(s). Which means there will be less support and parts availability for 1984 BMW 725. In addition, the cost of maintenance, including insurance, on 1984 BMW 725 would be higher. At 4,179 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (335 HP @ 6500 RPM) has 187 more horse power than 1984 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 1984 BMW 725.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1984 BMW 725. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 will offer significantly more control. 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, 2006 Audi A8 (430 Nm @ 3500 RPM) has 215 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
| 2006 Audi A8 | 1984 BMW 725 | |
| Make | Audi | BMW |
| Model | A8 | 725 |
| Year Released | 2006 | 1984 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4179 cc | 2495 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 148 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 430 Nm | 215 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Compression Ratio | 9.3:1 | 9.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5200 mm | 4870 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 3080 mm | 2810 mm |
