2005 Audi A6 vs. 1978 BMW 725
To start off, 2005 Audi A6 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 BMW 725. In addition, the cost of maintenance, including insurance, on 1978 BMW 725 would be higher. At 2,496 cc, 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (162 HP @ 4000 RPM) has 14 more horse power than 1978 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1978 BMW 725.
Because 1978 BMW 725 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 BMW 725. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 (310 Nm @ 1400 RPM) has 95 more torque (in Nm) than 1978 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 1978 BMW 725.
Compare all specifications:
2005 Audi A6 | 1978 BMW 725 | |
Make | Audi | BMW |
Model | A6 | 725 |
Year Released | 2005 | 1978 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2496 cc | 2495 cc |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 162 HP | 148 HP |
Engine RPM | 4000 RPM | 5500 RPM |
Torque | 310 Nm | 215 Nm |
Torque RPM | 1400 RPM | 4000 RPM |
Engine Bore Size | 78.3 mm | 86.1 mm |
Engine Stroke Size | 86.4 mm | 71.6 mm |
Engine Compression Ratio | 19.5:1 | 9.6:1 |
Fuel Type | Diesel | Gasoline |
Drive Type | Front | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Wheelbase Size | 2770 mm | 2810 mm |