2005 Audi A8 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (362 HP @ 6300 RPM) has 40 more horse power than 2005 Audi A8. (322 HP @ 3750 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 560 kg more than 2009 BMW 650.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 650. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (650 Nm @ 1600 RPM) has 160 more torque (in Nm) than 2009 BMW 650. (490 Nm @ 3400 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 650. 2005 Audi A8 has automatic transmission and 2009 BMW 650 has manual transmission. 2009 BMW 650 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2009 BMW 650 | |
| Make | Audi | BMW |
| Model | A8 | 650 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 362 HP |
| Engine RPM | 3750 RPM | 6300 RPM |
| Torque | 650 Nm | 490 Nm |
| Torque RPM | 1600 RPM | 3400 RPM |
| Engine Compression Ratio | 16.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 5.7 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 | 1945 kg | 1385 kg |
| Vehicle Length | 5070 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1380 mm |
| Vehicle Height | 1450 mm | 1860 mm |
| Wheelbase Size | 2950 mm | 2790 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
