2004 BMW 520 vs. 2009 Mercedes-Benz CLK
To start off, 2009 Mercedes-Benz CLK is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 520. In addition, the cost of maintenance, including insurance, on 2004 BMW 520 would be higher. At 2,987 cc (6 cylinders), 2009 Mercedes-Benz CLK is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz CLK (221 HP @ 4200 RPM) has 53 more horse power than 2004 BMW 520. (168 HP @ 6000 RPM) In normal driving conditions, 2009 Mercedes-Benz CLK should accelerate faster than 2004 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz CLK weights approximately 1160 kg more than 2004 BMW 520. 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 CLK (510 Nm @ 1600 RPM) has 300 more torque (in Nm) than 2004 BMW 520. (210 Nm @ 3500 RPM). This means 2009 Mercedes-Benz CLK will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 520.
Compare all specifications:
| 2004 BMW 520 | 2009 Mercedes-Benz CLK | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | CLK |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 221 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 210 Nm | 510 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 80.1 mm | 83 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 2830 kg |
| Vehicle Length | 4810 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
| Fuel Tank Capacity | 70 L | 62 L |
