2009 Audi A6 vs. 2003 BMW M3
To start off, 2009 Audi A6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 164 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2003 BMW M3 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW M3 weights approximately 225 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW M3. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2009 Audi A6 (380 Nm @ 1400 RPM) has 30 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3.
Compare all specifications:
| 2009 Audi A6 | 2003 BMW M3 | |
| Make | Audi | BMW |
| Model | A6 | M3 |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 3168 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 342 HP |
| Engine RPM | 3300 RPM | 7900 RPM |
| Torque | 380 Nm | 350 Nm |
| Torque RPM | 1400 RPM | 4900 RPM |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 83.1 mm | 91 mm |
| Engine Compression Ratio | 17.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 228 km/hour | 259 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1385 kg |
| Vehicle Length | 4920 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Consumption Overall | 8.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
