2005 Audi S8 vs. 1999 BMW 740
To start off, 2005 Audi S8 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW 740. In addition, the cost of maintenance, including insurance, on 1999 BMW 740 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S8 is equipped with a bigger engine. In terms of performance, 2005 Audi S8 (247 HP @ 4000 RPM) has 5 more horse power than 1999 BMW 740. (242 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S8 should accelerate faster than 1999 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 740 weights approximately 265 kg more than 2005 Audi S8.
Because 2005 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1999 BMW 740. In wet, icy, snow, or gravel driving conditions, 2005 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 BMW 740 (560 Nm @ 1750 RPM) has 110 more torque (in Nm) than 2005 Audi S8. (450 Nm @ 3400 RPM). This means 1999 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S8.
Compare all specifications:
| 2005 Audi S8 | 1999 BMW 740 | |
| Make | Audi | BMW |
| Model | S8 | 740 |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3899 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 242 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 560 Nm |
| Torque RPM | 3400 RPM | 1750 RPM |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 2035 kg |
| Wheelbase Size | 2290 mm | 2940 mm |
