1999 Audi S8 vs. 1997 BMW 730
To start off, 1999 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 1997 BMW 730. In addition, the cost of maintenance, including insurance, on 1997 BMW 730 would be higher. At 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 145 more horse power than 1997 BMW 730. (190 HP @ 5300 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1997 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1997 BMW 730 weights approximately 15 kg more than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1997 BMW 730. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Audi S8 (331 Nm @ 3400 RPM) has 52 more torque (in Nm) than 1997 BMW 730. (279 Nm @ 3950 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1997 BMW 730.
Compare all specifications:
| 1999 Audi S8 | 1997 BMW 730 | |
| Make | Audi | BMW |
| Model | S8 | 730 |
| Year Released | 1999 | 1997 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 190 HP |
| Engine RPM | 7000 RPM | 5300 RPM |
| Torque | 331 Nm | 279 Nm |
| Torque RPM | 3400 RPM | 3950 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1745 kg |
| Vehicle Length | 5040 mm | 5130 mm |
| Vehicle Width | 1890 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2940 mm |
| Fuel Tank Capacity | 90 L | 90 L |
