2007 BMW 523 vs. 2005 Mercedes-Benz C
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 34 more horse power than 2005 Mercedes-Benz C. (141 HP @ 4200 RPM). In normal driving conditions, 2007 BMW 523 should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 30 kg more than 2007 BMW 523.
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, 2005 Mercedes-Benz C (340 Nm @ 1800 RPM) has 110 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2005 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | C |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 141 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 230 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 82.1 mm | 88.1 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Acceleration 0-100mph | 8.5 seconds | 10.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1520 kg |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 8.5 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
