1999 Audi S8 vs. 2008 BMW X3
To start off, 2008 BMW X3 is newer by 9 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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (247 HP @ 7000 RPM) has 85 more horse power than 2008 BMW X3. (162 HP @ 4000 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2008 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 10 kg more than 2008 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, both vehicles can yield 330 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 1999 Audi S8 has automatic transmission and 2008 BMW X3 has manual transmission. 2008 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2008 BMW X3 | |
| Make | Audi | BMW |
| Model | S8 | X3 |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 162 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 330 Nm | 330 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 9.1 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 1740 kg |
| Vehicle Length | 5040 mm | 4570 mm |
| Vehicle Width | 1890 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Overall | 13.9 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
