2005 Audi S6 vs. 2009 BMW 325
To start off, 2009 BMW 325 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 141 more horse power than 2009 BMW 325. (194 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 164 kg more than 2009 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 325. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 20 more torque (in Nm) than 2009 BMW 325. (400 Nm @ 1300 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2005 Audi S6 | 2009 BMW 325 | |
| Make | Audi | BMW |
| Model | S6 | 325 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 194 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 420 Nm | 400 Nm |
| Torque RPM | 3400 RPM | 1300 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 7.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1596 kg |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Tank Capacity | 82 L | 61 L |
