2006 BMW 523 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 523. In addition, the cost of maintenance, including insurance, on 2006 BMW 523 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 523 is equipped with a bigger engine. In terms of performance, 2006 BMW 523 (175 HP @ 5800 RPM) has 55 more horse power than 2009 Mercedes-Benz C. (120 HP @ 4200 RPM). In normal driving conditions, 2006 BMW 523 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 523 weights approximately 142 kg more than 2009 Mercedes-Benz C. 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 C (270 Nm @ 1600 RPM) has 40 more torque (in Nm) than 2006 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 523.
Compare all specifications:
| 2006 BMW 523 | 2009 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | C |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2147 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 120 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 230 Nm | 270 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 78.8 mm | 88 mm |
| Engine Stroke Size | 82 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 208 km/hour |
| Acceleration 0-100mph | 9 seconds | 11.7 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1632 kg | 1490 kg |
| Vehicle Length | 4850 mm | 4350 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2720 mm |
| Fuel Consumption Overall | 10.9 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
