1999 Audi S8 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 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 120 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 440 kg more than 1999 Audi S8.
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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 189 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | S8 | X5 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2926 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 215 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 331 Nm | 520 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 8.3 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2170 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1890 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1720 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Consumption Overall | 13.7 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 90 L | 93 L |
