2001 Audi A8 vs. 2005 BMW 630
To start off, 2005 BMW 630 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A8. In addition, the cost of maintenance, including insurance, on 2001 Audi A8 would be higher. At 3,695 cc (8 cylinders), 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (256 HP @ 6000 RPM) has 2 more horse power than 2005 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2001 Audi A8 should accelerate faster than 2005 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 265 kg more than 2005 BMW 630. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 630 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2001 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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, 2001 Audi A8 (350 Nm @ 3250 RPM) has 60 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
| 2001 Audi A8 | 2005 BMW 630 | |
| Make | Audi | BMW |
| Model | A8 | 630 |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3695 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 254 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 350 Nm | 290 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 6.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1830 kg | 1565 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1890 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2410 mm | 2730 mm |
| Fuel Consumption Overall | 13 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
