2003 BMW 520 vs. 2007 Mercedes-Benz E
To start off, 2007 Mercedes-Benz E is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 520. In addition, the cost of maintenance, including insurance, on 2003 BMW 520 would be higher. At 2,171 cc (6 cylinders), 2003 BMW 520 is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz E (180 HP @ 5500 RPM) has 13 more horse power than 2003 BMW 520. (167 HP @ 5800 RPM) In normal driving conditions, 2007 Mercedes-Benz E should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz E weights approximately 160 kg more than 2003 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, 2007 Mercedes-Benz E (250 Nm @ 3500 RPM) has 40 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2007 Mercedes-Benz E will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 2007 Mercedes-Benz E | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | E |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1795 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 167 HP | 180 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 210 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 82 mm |
| Engine Stroke Size | 72 mm | 85 mm |
| Engine Compression Ratio | 10.8:1 | 10.0:1 |
| Top Speed | 230 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 9.4 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1720 kg |
| Vehicle Length | 4850 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 3000 mm | 2860 mm |
| Fuel Consumption Overall | 9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
