2007 Audi A8 vs. 2009 BMW M5
To start off, 2009 BMW M5 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 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP) has 244 more horse power than 2007 Audi A8. (256 HP) In normal driving conditions, 2009 BMW M5 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 75 kg more than 2007 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW M5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 190 more torque (in Nm) than 2007 Audi A8. (330 Nm @ 3250 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8. 2007 Audi A8 has automatic transmission and 2009 BMW M5 has manual transmission. 2009 BMW M5 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 M5 | |
| Make | Audi | BMW |
| Model | A8 | M5 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 500 HP |
| Torque | 330 Nm | 520 Nm |
| Torque RPM | 3250 RPM | 6100 RPM |
| Engine Compression Ratio | 13.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8 seconds | 4.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1955 kg |
| Vehicle Length | 5060 mm | 4860 mm |
| Vehicle Width | 1900 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1520 mm |
| Wheelbase Size | 2950 mm | 2890 mm |
| Fuel Consumption Overall | 9.8 L/100km | 15 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
