2009 Audi A4 vs. 2008 BMW 630
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 630. In addition, the cost of maintenance, including insurance, on 2008 BMW 630 would be higher. At 3,197 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (261 HP @ 6500 RPM) has 6 more horse power than 2008 BMW 630. (255 HP @ 6600 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2008 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 630 weights approximately 130 kg more than 2009 Audi A4.
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, 2009 Audi A4, 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, 2009 Audi A4 (330 Nm @ 3000 RPM) has 30 more torque (in Nm) than 2008 BMW 630. (300 Nm @ 2500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 630.
Compare all specifications:
| 2009 Audi A4 | 2008 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 261 HP | 255 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 84.6 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.4 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 | 1630 kg | 1760 kg |
| Vehicle Length | 4710 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1380 mm |
| Wheelbase Size | 2810 mm | 2790 mm |
| Fuel Consumption Overall | 9.1 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
