2005 Audi A6 vs. 1984 BMW 725
To start off, 2005 Audi A6 is newer by 21 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 2,976 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 99 more horse power than 1984 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1984 BMW 725.
Because 2005 Audi A6 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, 2005 Audi A6 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, 2005 Audi A6 (320 Nm @ 3250 RPM) has 105 more torque (in Nm) than 1984 BMW 725. (215 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 725.
Compare all specifications:
| 2005 Audi A6 | 1984 BMW 725 | |
| Make | Audi | BMW |
| Model | A6 | 725 |
| Year Released | 2005 | 1984 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 148 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 320 Nm | 215 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 71.6 mm |
| Engine Compression Ratio | 13.0:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4940 mm | 4870 mm |
| Vehicle Width | 1870 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2810 mm |
