2009 Mercedes-Benz S vs. 2008 BMW 320
To start off, 2009 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 320. In addition, the cost of maintenance, including insurance, on 2008 BMW 320 would be higher. At 4,966 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 234 more horse power than 2008 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz S weights approximately 1325 kg more than 2008 BMW 320. 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, 2009 Mercedes-Benz S (460 Nm @ 2700 RPM) has 260 more torque (in Nm) than 2008 BMW 320. (200 Nm @ 3600 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2009 Mercedes-Benz S | 2008 BMW 320 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 320 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 382 HP | 148 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 460 Nm | 200 Nm |
| Torque RPM | 2700 RPM | 3600 RPM |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 218 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 9.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2830 kg | 1505 kg |
| Vehicle Length | 5170 mm | 4530 mm |
| Vehicle Width | 1450 mm | 1820 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 3090 mm | 2770 mm |
| Fuel Consumption Overall | 11.9 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
