2008 Audi Q7 vs. 2005 BMW 630
To start off, 2008 Audi Q7 is newer by 3 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 4,162 cc (8 cylinders), 2008 Audi Q7 is equipped with a bigger engine. In terms of performance, 2008 Audi Q7 (345 HP @ 6800 RPM) has 91 more horse power than 2005 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2008 Audi Q7 should accelerate faster than 2005 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi Q7 weights approximately 476 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 2008 Audi Q7 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, 2008 Audi Q7 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 Audi Q7 (440 Nm @ 3500 RPM) has 140 more torque (in Nm) than 2005 BMW 630. (300 Nm @ 2500 RPM). This means 2008 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
| 2008 Audi Q7 | 2005 BMW 630 | |
| Make | Audi | BMW |
| Model | Q7 | 630 |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 345 HP | 254 HP |
| Engine RPM | 6800 RPM | 6600 RPM |
| Torque | 440 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 12.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 244 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2240 kg | 1764 kg |
| Vehicle Length | 5090 mm | 4830 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1740 mm | 1380 mm |
| Wheelbase Size | 3010 mm | 2670 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 100 L | 70 L |
