2005 Audi A4 vs. 2009 BMW 630
To start off, 2009 BMW 630 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,996 cc (6 cylinders), 2009 BMW 630 is equipped with a bigger engine. In terms of performance, 2009 BMW 630 (268 HP @ 6700 RPM) has 120 more horse power than 2005 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 630 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 630 weights approximately 413 kg more than 2005 Audi A4. 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, 2005 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 BMW 630 (320 Nm @ 2750 RPM) has 120 more torque (in Nm) than 2005 Audi A4. (200 Nm @ 3500 RPM). This means 2009 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 268 HP |
| Engine RPM | 6000 RPM | 6700 RPM |
| Torque | 200 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 82.6 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 11.5:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.9 seconds | 6.7 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 | 1405 kg | 1818 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
