2008 Audi A6 vs. 2009 BMW 630
To start off, 2009 BMW 630 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 BMW 630 (268 HP @ 6700 RPM) has 13 more horse power than 2008 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 630 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 630 weights approximately 448 kg more than 2008 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, 2008 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 Audi A6 (330 Nm @ 3250 RPM) has 10 more torque (in Nm) than 2009 BMW 630. (320 Nm @ 2750 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 630.
Compare all specifications:
| 2008 Audi A6 | 2009 BMW 630 | |
| Make | Audi | BMW |
| Model | A6 | 630 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 268 HP |
| Engine RPM | 6500 RPM | 6700 RPM |
| Torque | 330 Nm | 320 Nm |
| Torque RPM | 3250 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1608 kg |
| Vehicle Length | 4920 mm | 4830 mm |
| Vehicle Width | 2020 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 2790 mm |
| Fuel Consumption Overall | 10 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
