2008 Audi A4 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 3,123 cc, 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (311 HP @ 6000 RPM) has 59 more horse power than 2008 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 325 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 6 series 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 2013 BMW 6 series. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A4, 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, 2013 BMW 6 series (447 Nm @ 4500 RPM) has 117 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | A4 | 6 series |
| Year Released | 2008 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2979 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 311 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 447 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 89 mm |
| Engine Compression Ratio | 12.5:1 | 10.2 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 5.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1815 kg |
| Vehicle Length | 4590 mm | 4897 mm |
| Vehicle Width | 1780 mm | 1895 mm |
| Vehicle Height | 1430 mm | 1369 mm |
| Wheelbase Size | 2650 mm | 2856 mm |
| Fuel Tank Capacity | 70 L | 70 L |
