2007 Audi A8 vs. 2009 BMW 630
To start off, 2009 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 3,697 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (276 HP @ 6000 RPM) has 8 more horse power than 2009 BMW 630. (268 HP @ 6700 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2009 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 630 weights approximately 42 kg more than 2007 Audi A8.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 630. In wet, icy, snow, or gravel driving conditions, 2007 Audi A8 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 A8 (360 Nm @ 3750 RPM) has 40 more torque (in Nm) than 2009 BMW 630. (320 Nm @ 2750 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 630. 2007 Audi A8 has automatic transmission and 2009 BMW 630 has manual transmission. 2009 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 2009 BMW 630 | |
| Make | Audi | BMW |
| Model | A8 | 630 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 276 HP | 268 HP |
| Engine RPM | 6000 RPM | 6700 RPM |
| Torque | 360 Nm | 320 Nm |
| Torque RPM | 3750 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 82.4 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1776 kg | 1818 kg |
| Vehicle Length | 5060 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2950 mm | 2790 mm |
| Fuel Consumption Overall | 11.7 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
