1999 Audi S8 vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 7 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 81 more horse power than 2006 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2006 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 30 kg more than 1999 Audi S8.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 630. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 will offer significantly more control. 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 31 more torque (in Nm) than 2006 BMW 630. (300 Nm @ 2500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 630.
Compare all specifications:
| 1999 Audi S8 | 2006 BMW 630 | |
| Make | Audi | BMW |
| Model | S8 | 630 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 254 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 331 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 7.2 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1760 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Consumption Overall | 13.7 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
