1999 Audi S8 vs. 1998 BMW 740
To start off, 1999 Audi S8 is newer by 1 year(s). Which means there will be less support and parts availability for 1998 BMW 740. In addition, the cost of maintenance, including insurance, on 1998 BMW 740 would be higher. At 4,398 cc (8 cylinders), 1998 BMW 740 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 49 more horse power than 1998 BMW 740. (286 HP @ 5400 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1998 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 740 weights approximately 238 kg more than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1998 BMW 740. 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, 1998 BMW 740 (440 Nm @ 3600 RPM) has 109 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 1998 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 1998 BMW 740 | |
| Make | Audi | BMW |
| Model | S8 | 740 |
| Year Released | 1999 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 286 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 331 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Top Speed | 250 km/hour | 249 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 7 seconds |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1968 kg |
| Vehicle Length | 5040 mm | 5130 mm |
| Vehicle Width | 1890 mm | 1870 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 3080 mm |
| Fuel Tank Capacity | 90 L | 95 L |
