2004 Audi A6 vs. 2008 BMW 630
To start off, 2008 BMW 630 is newer by 4 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), 2008 BMW 630 is equipped with a bigger engine. In terms of performance, 2008 BMW 630 (255 HP @ 6600 RPM) has 127 more horse power than 2004 Audi A6. (128 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 630 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 630 weights approximately 225 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 2008 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 2008 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, 2008 BMW 630 (300 Nm @ 2500 RPM) has 15 more torque (in Nm) than 2004 Audi A6. (285 Nm @ 1750 RPM). This means 2008 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2008 BMW 630 | |
| Make | Audi | BMW |
| Model | A6 | 630 |
| Year Released | 2004 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 255 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 285 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 79.5 mm | 85 mm |
| Engine Stroke Size | 95.5 mm | 88 mm |
| Engine Compression Ratio | 20.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.7 seconds | 6.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption Overall | 5.9 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
