2005 Audi A6 vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 32 more horse power than 2005 Audi A6. (222 HP @ 6300 RPM) In normal driving conditions, 2006 BMW 630 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 115 kg more than 2005 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 630. In wet, icy, snow, or gravel driving conditions, 2005 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2006 BMW 630 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2006 BMW 630 | |
| Make | Audi | BMW |
| Model | A6 | 630 |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 222 HP | 254 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 82.6 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.8 seconds | 7.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Consumption Overall | 11.3 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
