1999 Audi S8 vs. 2007 BMW X5
To start off, 2007 BMW X5 is newer by 8 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 107 more horse power than 2007 BMW X5. (228 HP @ 5900 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2007 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 350 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, 1999 Audi S8 (331 Nm @ 3400 RPM) has 30 more torque (in Nm) than 2007 BMW X5. (301 Nm @ 3500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X5.
Compare all specifications:
| 1999 Audi S8 | 2007 BMW X5 | |
| Make | Audi | BMW |
| Model | S8 | X5 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 228 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 331 Nm | 301 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 89.6 mm |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 9.4 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 | 2080 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1890 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Consumption Overall | 13.7 L/100km | 14.2 L/100km |
| Fuel Tank Capacity | 90 L | 85 L |
