2007 Audi RS4 vs. 2005 BMW 630
To start off, 2007 Audi RS4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 630. In addition, the cost of maintenance, including insurance, on 2005 BMW 630 would be higher. At 4,161 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 160 more horse power than 2005 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2005 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 145 kg more than 2005 BMW 630. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 630. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 140 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630. 2005 BMW 630 has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi RS4 | 2005 BMW 630 | |
| Make | Audi | BMW |
| Model | RS4 | 630 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 254 HP |
| Engine RPM | 7800 RPM | 6600 RPM |
| Torque | 430 Nm | 290 Nm |
| Torque RPM | 5500 RPM | 2500 RPM |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 6.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1565 kg |
| Vehicle Length | 4590 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 13.5 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
