2005 Audi A4 vs. 2008 BMW 630
To start off, 2008 BMW 630 is newer by 3 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 2,994 cc (6 cylinders), 2008 BMW 630 is equipped with a bigger engine. In terms of performance, 2008 BMW 630 (254 HP @ 6600 RPM) has 80 more horse power than 2005 Audi A4. (174 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 630 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 30 kg more than 2008 BMW 630.
Because 2005 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, 2005 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, 2008 BMW 630 (300 Nm) has 70 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2008 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 | 2008 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 254 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 230 Nm | 300 Nm |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.3:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 1565 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
