2004 Audi A6 vs. 2009 BMW 630
To start off, 2009 BMW 630 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,996 cc (6 cylinders), 2009 BMW 630 is equipped with a bigger engine. In terms of performance, 2009 BMW 630 (268 HP @ 6700 RPM) has 21 more horse power than 2004 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2009 BMW 630 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 630 weights approximately 96 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, 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, 2004 Audi A6 (350 Nm) has 30 more torque (in Nm) than 2009 BMW 630. (320 Nm). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 630.
Compare all specifications:
| 2004 Audi A6 | 2009 BMW 630 | |
| Make | Audi | BMW |
| Model | A6 | 630 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 268 HP |
| Engine RPM | 6300 RPM | 6700 RPM |
| Torque | 350 Nm | 320 Nm |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1722 kg | 1818 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1940 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
