2008 BMW 320 vs. 2013 Mercedes-Benz S
To start off, 2013 Mercedes-Benz S is newer by 5 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 3,000 cc (6 cylinders), 2013 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz S (237 HP @ 3600 RPM) has 89 more horse power than 2008 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2013 Mercedes-Benz S should accelerate faster than 2008 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz S weights approximately 450 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.
Because 2013 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 320. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz S 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, 2013 Mercedes-Benz S (617 Nm @ 2400 RPM) has 287 more torque (in Nm) than 2008 BMW 320. (330 Nm @ 2000 RPM). This means 2013 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 320.
Compare all specifications:
| 2008 BMW 320 | 2013 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 320 | S |
| Year Released | 2008 | 2013 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 6 valves |
| Horse Power | 148 HP | 237 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 330 Nm | 617 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Bore Size | 84.1 mm | 83 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 17.0:1 | 15.5 :1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.7 seconds | 7.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | CVT |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1680 kg | 2130 kg |
| Vehicle Length | 4490 mm | 5226 mm |
| Vehicle Width | 1760 mm | 2120 mm |
| Vehicle Height | 1380 mm | 1479 mm |
| Wheelbase Size | 2730 mm | 3165 mm |
