2009 BMW 320 vs. 2007 Mercedes-Benz S
To start off, 2009 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz S would be higher. At 5,461 cc (8 cylinders), 2007 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz S (383 HP @ 6000 RPM) has 235 more horse power than 2009 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz S should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 405 kg more than 2009 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, 2007 Mercedes-Benz S (530 Nm @ 2800 RPM) has 199 more torque (in Nm) than 2009 BMW 320. (331 Nm @ 2000 RPM). This means 2007 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2007 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | S |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5461 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 383 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 331 Nm | 530 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Engine Bore Size | 84 mm | 98 mm |
| Engine Stroke Size | 90 mm | 90.5 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 216 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1580 kg | 1985 kg |
| Vehicle Length | 4480 mm | 5210 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2730 mm | 3170 mm |
| Fuel Consumption Overall | 6 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
