2003 Audi A6 vs. 2005 BMW 630
To start off, 2005 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,993 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 28 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 630 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 97 kg more than 2005 BMW 630.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 630. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, 2003 Audi A6 (310 Nm @ 1700 RPM) has 20 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
| 2003 Audi A6 | 2005 BMW 630 | |
| Make | Audi | BMW |
| Model | A6 | 630 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 310 Nm | 290 Nm |
| Torque RPM | 1700 RPM | 2500 RPM |
| Engine Compression Ratio | 9.3:1 | 10.7:1 |
| Top Speed | 245 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1565 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Consumption Overall | 11.6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
