2002 Audi S8 vs. 1981 BMW 725
To start off, 2002 Audi S8 is newer by 21 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 4,172 cc (8 cylinders), 2002 Audi S8 is equipped with a bigger engine.
Because 2002 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, 2002 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, 2002 Audi S8 (431 Nm) has 216 more torque (in Nm) than 1981 BMW 725. (215 Nm). This means 2002 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 2002 Audi S8 | 1981 BMW 725 | |
| Make | Audi | BMW |
| Model | S8 | 725 |
| Year Released | 2002 | 1981 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2493 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 0 HP | 148 HP |
| Torque | 431 Nm | 215 Nm |
| Engine Bore Size | 84.6 mm | 86 mm |
| Engine Stroke Size | 93 mm | 71.6 mm |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5040 mm | 4870 mm |
| Vehicle Width | 2010 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2810 mm |
