2009 Audi A3 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A3. In addition, the cost of maintenance, including insurance, on 2009 Audi A3 would be higher. At 2,979 cc (6 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (318 HP @ 6000 RPM) has 180 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 270 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 6 series. In wet, icy, snow, or gravel driving conditions, 2009 Audi A3 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, 2013 BMW 6 series (450 Nm @ 4500 RPM) has 130 more torque (in Nm) than 2009 Audi A3. (320 Nm @ 1750 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A3 | 6 series |
| Year Released | 2009 | 2013 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1966 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 318 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 89 mm |
| Engine Stroke Size | 95.5 mm | 89 mm |
| Engine Compression Ratio | 18.0:1 | 10.2 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 205 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1545 kg | 1815 kg |
| Vehicle Length | 4290 mm | 4894 mm |
| Vehicle Width | 1770 mm | 1894 mm |
| Vehicle Height | 1430 mm | 1369 mm |
| Wheelbase Size | 2580 mm | 2855 mm |
| Fuel Tank Capacity | 60 L | 70 L |
