2008 Audi S8 vs. 1981 BMW 725
To start off, 2008 Audi S8 is newer by 27 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), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (444 HP @ 7000 RPM) has 296 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 1981 BMW 725.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2008 Audi S8 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 325 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
2008 Audi S8 | 1981 BMW 725 | |
Make | Audi | BMW |
Model | S8 | 725 |
Year Released | 2008 | 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 | 444 HP | 148 HP |
Engine RPM | 7000 RPM | 5500 RPM |
Torque | 540 Nm | 215 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84.5 mm | 86 mm |
Engine Stroke Size | 92.8 mm | 71.6 mm |
Engine Compression Ratio | 12.5:1 | 9.6:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | AWD | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Width | 1900 mm | 1810 mm |
Wheelbase Size | 2950 mm | 2810 mm |