2003 Audi A8 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 224 more horse power than 2003 Audi A8. (276 HP @ 3750 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2003 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 125 kg more than 2003 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW M6. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 130 more torque (in Nm) than 2008 BMW M6. (520 Nm @ 6100 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW M6. 2003 Audi A8 has automatic transmission and 2008 BMW M6 has manual transmission. 2008 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A8 | 2008 BMW M6 | |
| Make | Audi | BMW |
| Model | A8 | M6 |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 500 HP |
| Engine RPM | 3750 RPM | 7750 RPM |
| Torque | 650 Nm | 520 Nm |
| Torque RPM | 1800 RPM | 6100 RPM |
| Engine Bore Size | 81.1 mm | 92 mm |
| Engine Stroke Size | 95.5 mm | 75.2 mm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1880 kg | 2005 kg |
| Vehicle Length | 5060 mm | 4880 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
| Fuel Consumption Overall | 9.6 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
