2006 Mercedes-Benz S vs. 2009 BMW 325
To start off, 2009 BMW 325 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz S would be higher. At 5,441 cc (8 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz S (493 HP @ 6100 RPM) has 304 more horse power than 2009 BMW 325. (189 HP @ 6000 RPM). In normal driving conditions, 2006 Mercedes-Benz S should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 310 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 Mercedes-Benz S (700 Nm @ 2750 RPM) has 455 more torque (in Nm) than 2009 BMW 325. (245 Nm @ 3500 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2006 Mercedes-Benz S | 2009 BMW 325 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 325 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5441 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 493 HP | 189 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 700 Nm | 245 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 84.1 mm |
| Engine Stroke Size | 92 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1640 kg |
| Vehicle Length | 5170 mm | 4490 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 3090 mm | 2730 mm |
| Fuel Consumption Overall | 14 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
