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 2,994 cc (6 cylinders), 2008 BMW 630 is equipped with a bigger engine. In terms of performance, 2008 BMW 630 (254 HP @ 6600 RPM) has 43 more horse power than 2009 Audi A4. (211 HP @ 4300 RPM) In normal driving conditions, 2008 BMW 630 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 630 weights approximately 533 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 630. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 50 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 | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 254 HP |
| Engine RPM | 4300 RPM | 6600 RPM |
| Torque | 350 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 9.6:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1032 kg | 1565 kg |
| Vehicle Length | 4710 mm | 4830 mm |
| Vehicle Width | 1840 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2820 mm | 2790 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
