2007 Audi S6 vs. 2008 BMW 318
To start off, 2008 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S6. In addition, the cost of maintenance, including insurance, on 2007 Audi S6 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (435 HP @ 6800 RPM) has 294 more horse power than 2008 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2007 Audi S6 should accelerate faster than 2008 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 365 kg more than 2008 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 318. In wet, icy, snow, or gravel driving conditions, 2007 Audi S6 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, 2007 Audi S6 (540 Nm @ 3000 RPM) has 340 more torque (in Nm) than 2008 BMW 318. (200 Nm @ 3750 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 318.
Compare all specifications:
| 2007 Audi S6 | 2008 BMW 318 | |
| Make | Audi | BMW |
| Model | S6 | 318 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1995 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 435 HP | 141 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 540 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 3750 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1395 kg |
| Vehicle Length | 4920 mm | 4870 mm |
| Vehicle Height | 1450 mm | 1480 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Tank Capacity | 80 L | 63 L |
