2007 Audi S6 vs. 1981 BMW 725
To start off, 2007 Audi S6 is newer by 26 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 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (435 HP @ 6800 RPM) has 287 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S6 should accelerate faster than 1981 BMW 725.
Because 2007 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2007 Audi S6 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, 2007 Audi S6 (540 Nm @ 3000 RPM) has 325 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
2007 Audi S6 | 1981 BMW 725 | |
Make | Audi | BMW |
Model | S6 | 725 |
Year Released | 2007 | 1981 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 5204 cc | 2493 cc |
Engine Cylinders | 10 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 435 HP | 148 HP |
Engine RPM | 6800 RPM | 5500 RPM |
Torque | 540 Nm | 215 Nm |
Torque RPM | 3000 RPM | 4000 RPM |
Engine Bore Size | 84.5 mm | 86 mm |
Engine Stroke Size | 92.8 mm | 71.6 mm |
Engine Compression Ratio | 17.0:1 | 9.6:1 |
Fuel Type | Gasoline | Gasoline |
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 | 2020 mm | 1810 mm |
Vehicle Height | 1450 mm | 1440 mm |
Wheelbase Size | 2850 mm | 2810 mm |