1998 Audi S8 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Audi S8. In addition, the cost of maintenance, including insurance, on 1998 Audi S8 would be higher. At 4,172 cc (8 cylinders), 1998 Audi S8 is equipped with a bigger engine. In terms of performance, 1998 Audi S8 (335 HP) has 120 more horse power than 2005 BMW X5. (215 HP). In normal driving conditions, 1998 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 445 kg more than 1998 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, 1998 Audi S8 (557 Nm) has 37 more torque (in Nm) than 2005 BMW X5. (520 Nm). This means 1998 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 1998 Audi S8 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | S8 | X5 |
| Year Released | 1998 | 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 |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 215 HP |
| Torque | 557 Nm | 520 Nm |
| Engine Bore Size | 84.6 mm | 84 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Top Speed | 251 km/hour | 210 km/hour |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1725 kg | 2170 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1890 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1720 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
