2005 Audi A6 vs. 1980 BMW 725
To start off, 2005 Audi A6 is newer by 25 year(s). Which means there will be less support and parts availability for 1980 BMW 725. In addition, the cost of maintenance, including insurance, on 1980 BMW 725 would be higher. Both 2005 Audi A6 and 1980 BMW 725 are equipped with a 2,495 cc engine. In terms of performance, 2005 Audi A6 (178 HP @ 6000 RPM) has 30 more horse power than 1980 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1980 BMW 725.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1980 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 (225 Nm @ 3000 RPM) has 10 more torque (in Nm) than 1980 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 1980 BMW 725.
Compare all specifications:
| 2005 Audi A6 | 1980 BMW 725 | |
| Make | Audi | BMW |
| Model | A6 | 725 |
| Year Released | 2005 | 1980 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 148 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 225 Nm | 215 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 77.4 mm | 71.6 mm |
| Engine Compression Ratio | 10.3:1 | 9.6:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 4870 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2810 mm |
