2005 Audi A8 vs. 2007 BMW M3
To start off, 2007 BMW M3 is newer by 2 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 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (450 HP @ 6300 RPM) has 112 more horse power than 2007 BMW M3. (338 HP @ 7900 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2007 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 490 kg more than 2007 BMW M3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M3. 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 (560 Nm) has 195 more torque (in Nm) than 2007 BMW M3. (365 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW M3.
Compare all specifications:
| 2005 Audi A8 | 2007 BMW M3 | |
| Make | Audi | BMW |
| Model | A8 | M3 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3245 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 338 HP |
| Engine RPM | 6300 RPM | 7900 RPM |
| Torque | 560 Nm | 365 Nm |
| Engine Bore Size | 84.1 mm | 87 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 11.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2145 kg | 1655 kg |
| Vehicle Length | 5200 mm | 4500 mm |
| Vehicle Width | 1900 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2740 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
