2005 Audi A6 vs. 2008 BMW M3
To start off, 2008 BMW M3 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 3,246 cc (6 cylinders), 2008 BMW M3 is equipped with a bigger engine. In terms of performance, 2008 BMW M3 (338 HP @ 7900 RPM) has 160 more horse power than 2005 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2008 BMW M3 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 40 kg more than 2008 BMW M3.
Because 2008 BMW M3 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 2008 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, 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, 2005 Audi A6 (370 Nm @ 1400 RPM) has 5 more torque (in Nm) than 2008 BMW M3. (365 Nm @ 4900 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW M3.
Compare all specifications:
| 2005 Audi A6 | 2008 BMW M3 | |
| Make | Audi | BMW |
| Model | A6 | M3 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 338 HP |
| Engine RPM | 3300 RPM | 7900 RPM |
| Torque | 370 Nm | 365 Nm |
| Torque RPM | 1400 RPM | 4900 RPM |
| Engine Bore Size | 83 mm | 87.1 mm |
| Engine Stroke Size | 83.1 mm | 91 mm |
| Engine Compression Ratio | 17.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.3 seconds | 5.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1655 kg |
| Vehicle Length | 4940 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Consumption Overall | 7.1 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
