2005 Audi A4 vs. 2004 BMW 630
To start off, 2005 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 630. In addition, the cost of maintenance, including insurance, on 2004 BMW 630 would be higher. At 2,993 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 34 more horse power than 2005 Audi A4. (220 HP @ 6500 RPM) In normal driving conditions, 2004 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 60 kg more than 2004 BMW 630.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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, 2004 BMW 630 (305 Nm) has 5 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2004 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 | 2004 BMW 630 | |
| Make | Audi | BMW |
| Model | A4 | 630 |
| Year Released | 2005 | 2004 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 254 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 300 Nm | 305 Nm |
| Engine Bore Size | 83 mm | 85.1 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Engine Compression Ratio | 10.1:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1760 kg |
| Vehicle Length | 4580 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Consumption Highway | 9.4 L/100km | 7.3 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.6 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
