2007 Mercedes-Benz S vs. 2005 BMW 320
To start off, 2007 Mercedes-Benz S is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 5,512 cc (12 cylinders), 2007 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz S (510 HP @ 5000 RPM) has 342 more horse power than 2005 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2007 Mercedes-Benz S should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz S weights approximately 710 kg more than 2005 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 (830 Nm @ 1900 RPM) has 620 more torque (in Nm) than 2005 BMW 320. (210 Nm @ 3500 RPM). This means 2007 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 320.
Compare all specifications:
| 2007 Mercedes-Benz S | 2005 BMW 320 | |
| Make | Mercedes-Benz | BMW |
| Model | S | 320 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5512 cc | 2171 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 168 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 830 Nm | 210 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 8.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2180 kg | 1470 kg |
| Vehicle Length | 5210 mm | 4490 mm |
| Vehicle Width | 1480 mm | 1760 mm |
| Vehicle Height | 1880 mm | 1380 mm |
| Wheelbase Size | 3170 mm | 2790 mm |
| Fuel Consumption Overall | 14.3 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
