1998 Audi S8 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 9 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 67 more horse power than 2007 BMW X3. (268 HP). In normal driving conditions, 1998 Audi S8 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 90 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 242 more torque (in Nm) than 2007 BMW X3. (315 Nm). This means 1998 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2007 BMW X3 has automatic transmission and 1998 Audi S8 has manual transmission. 1998 Audi S8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Audi S8 | 2007 BMW X3 | |
| Make | Audi | BMW |
| Model | S8 | X3 |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 268 HP |
| Torque | 557 Nm | 315 Nm |
| Engine Bore Size | 84.6 mm | 85 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Top Speed | 251 km/hour | 210 km/hour |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1725 kg | 1815 kg |
| Vehicle Length | 5040 mm | 4570 mm |
| Vehicle Width | 1890 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
